Companion Planting Chart
Which vegetables, herbs, and flowers grow well together, and which to keep apart. Use companion planting to boost yields, deter pests, and make the most of your garden space.
Note: Relationships shown are from traditional gardening knowledge.
Evidence-based grades with source citations are coming soon.
Beneficial Companions
| Plant A | Plant B | Why |
|---|---|---|
| Artichoke | Beans (Bush) | Beans fix nitrogen that artichokes appreciate as heavy feeders |
| Artichoke | Cabbage | Both heavy feeders that benefit from rich soil; artichoke's height provides wind protection |
| Artichoke | Garlic | Garlic deters aphids that commonly attack artichoke buds |
| Artichoke | Lettuce | Lettuce thrives in the partial shade cast by artichoke's large leaves |
| Artichoke | Peas | Peas fix nitrogen that heavy-feeding artichokes use |
| Artichoke | Spinach | Spinach fills space beneath tall artichoke plants in cool weather |
| Artichoke | Sunflower | Sunflowers attract pollinators; both are tall Asteraceae that grow well together |
| Asparagus | Basil | Basil repels aphids and attracts pollinators near asparagus |
| Asparagus | Dill | Dill attracts parasitic wasps that control asparagus beetle larvae |
| Asparagus | Lettuce | Lettuce fills space between asparagus crowns in early spring before ferns emerge |
| Asparagus | Parsley | Parsley attracts beneficial insects and provides ground cover around asparagus crowns |
| Asparagus | Spinach | Spinach grows well in partial shade of asparagus ferns; complementary harvest windows |
| Asparagus | Strawberry | Asparagus and strawberries share space well; asparagus ferns shade strawberries in summer |
| Asparagus | Tomato | Tomatoes repel asparagus beetles; asparagus deters root-knot nematodes that attack tomatoes |
| Basil | Asparagus | Basil repels aphids and attracts pollinators near asparagus |
| Basil | Broccoli | Basil repels aphids from broccoli |
| Basil | Cauliflower | Basil repels aphids from cauliflower |
| Basil | Cucumber | Basil repels cucumber beetles |
| Basil | Eggplant | Basil repels aphids and spider mites from eggplant |
| Basil | Okra | Basil repels aphids and attracts pollinators near okra |
| Basil | Pepper | Peppers and basil share heat and sun preferences |
| Basil | Potato | Basil repels potato beetles and aphids |
| Basil | Tomato | Tomatoes provide slight shade; the pair is mutually beneficial |
| Beans (Bush) | Artichoke | Beans fix nitrogen that artichokes appreciate as heavy feeders |
| Beans (Bush) | Beet | Complementary root zones; beans fix nitrogen for beets |
| Beans (Bush) | Celery | Celery benefits from nitrogen fixed by beans |
| Beans (Bush) | Corn | Corn provides a natural trellis for pole beans; beans fix nitrogen |
| Beans (Bush) | Cucumber | Beans fix nitrogen; cucumbers shade bean roots |
| Beans (Bush) | Eggplant | Beans fix nitrogen and repel Colorado potato beetle from eggplant |
| Beans (Bush) | Melon | Melon shades bean roots; beans fix nitrogen for melon |
| Beans (Bush) | Okra | Beans fix nitrogen that feeds heavy-producing okra plants |
| Beans (Bush) | Potato | Beans repel Colorado potato beetles |
| Beans (Bush) | Pumpkin | Pumpkin shades bean roots; beans fix nitrogen for pumpkin |
| Beans (Bush) | Radish | Radishes mature quickly before beans need full space |
| Beans (Bush) | Rhubarb | Beans fix nitrogen that benefits heavy-feeding rhubarb |
| Beans (Bush) | Rosemary | Rosemary repels bean beetles |
| Beans (Bush) | Squash | Three Sisters: beans fix nitrogen; squash shades soil |
| Beans (Bush) | Strawberry | Beans fix nitrogen which benefits heavy-feeding strawberries |
| Beans (Bush) | Sunflower | Beans fix nitrogen; sunflower stalks provide a natural trellis |
| Beans (Bush) | Sweet Potato | Sweet potato vines shade bean roots; beans fix nitrogen |
| Beans (Bush) | Swiss Chard | Beans fix nitrogen that chard uses |
| Beans (Bush) | Watermelon | Watermelon shades bean roots; beans fix nitrogen for watermelon |
| Beans (Bush) | Zucchini | Beans fix nitrogen that zucchini uses as a heavy feeder |
| Beet | Beans (Bush) | Bush beans fix nitrogen that beets can use |
| Beet | Brussels Sprouts | Beets loosen soil with taproots and add minerals; complementary root depths |
| Beet | Cabbage | Beets and cabbage have complementary root zones |
| Beet | Cauliflower | Complementary root zones; beets do not compete with cauliflower |
| Beet | Garlic | Garlic improves beet growth and repels pests |
| Beet | Kale | Beets loosen subsoil benefiting kale roots |
| Beet | Leek | Beets and leeks complement each other in root depth and growing speed |
| Beet | Lettuce | Lettuce provides living mulch; beets grow in a different root zone |
| Beet | Onion | Onion scent deters beet pests |
| Beet | Radish | Radishes loosen topsoil benefiting deeper beet roots |
| Beet | Spinach | Both thrive in cool weather and complement each other |
| Broccoli | Basil | Basil repels aphids from broccoli |
| Broccoli | Chives | Chives deter aphids from brassicas |
| Broccoli | Dill | Dill attracts beneficial insects that protect brassicas |
| Broccoli | Lettuce | Lettuce uses space between broccoli plants |
| Broccoli | Mint | Mint deters cabbage pests from broccoli (grow in containers) |
| Broccoli | Onion | Onions repel cabbage moths from brassicas |
| Broccoli | Oregano | Oregano deters cabbage moths from broccoli |
| Broccoli | Rosemary | Rosemary repels cabbage moths from broccoli |
| Broccoli | Sage | Sage repels cabbage moths from broccoli |
| Broccoli | Spinach | Spinach fills space between broccoli plants |
| Broccoli | Thyme | Thyme repels cabbage worms from broccoli |
| Brussels Sprouts | Beet | Beets loosen soil with taproots and add minerals; complementary root depths |
| Brussels Sprouts | Celery | Celery deters cabbage white butterflies from brussels sprouts |
| Brussels Sprouts | Dill | Dill attracts parasitic wasps that control cabbage worms on brussels sprouts |
| Brussels Sprouts | Garlic | Garlic deters aphids and cabbage worms from brussels sprouts |
| Brussels Sprouts | Onion | Onion scent deters cabbage moths and aphids from brussels sprouts |
| Brussels Sprouts | Sage | Sage repels cabbage moths and flea beetles |
| Brussels Sprouts | Spinach | Spinach provides living mulch between tall brussels sprouts stalks |
| Brussels Sprouts | Thyme | Thyme repels cabbage worms and provides ground cover |
| Cabbage | Artichoke | Both heavy feeders that benefit from rich soil; artichoke's height provides wind protection |
| Cabbage | Beet | Complementary root zones; beets do not compete |
| Cabbage | Celery | Celery deters cabbage white butterflies |
| Cabbage | Dill | Dill attracts beneficial wasps that parasitize cabbage worms |
| Cabbage | Garlic | Garlic deters cabbage pests and fungal diseases |
| Cabbage | Mint | Mint deters cabbage moths (grow in containers) |
| Cabbage | Onion | Onions repel cabbage maggots and loopers |
| Cabbage | Rhubarb | Rhubarb leaves may deter whiteflies and cabbage worms |
| Cabbage | Rosemary | Rosemary repels cabbage moths |
| Cabbage | Sage | Sage repels cabbage moths |
| Cabbage | Spinach | Spinach uses space between cabbage plants |
| Cabbage | Swiss Chard | Complementary root zones and nutrient needs |
| Cabbage | Thyme | Thyme repels cabbage moths |
| Carrot | Chives | Chives deter carrot rust fly |
| Carrot | Leek | Leeks repel carrot fly; carrots repel leek moth — classic companion pair |
| Carrot | Lettuce | Lettuce acts as a living mulch between carrot rows |
| Carrot | Onion | Onion scent deters carrot rust fly; carrot scent deters onion fly |
| Carrot | Peas | Peas fix nitrogen that carrots use; carrots loosen soil |
| Carrot | Pepper | Carrots loosen soil; peppers provide afternoon shade |
| Carrot | Radish | Radishes mark slow-germinating carrot rows and loosen soil |
| Carrot | Rosemary | Rosemary repels carrot rust fly |
| Carrot | Sage | Sage repels carrot rust fly |
| Carrot | Tomato | Carrots loosen soil around tomato roots; tomatoes shade carrots in summer heat |
| Cauliflower | Basil | Basil repels aphids from cauliflower |
| Cauliflower | Beet | Complementary root zones; beets do not compete with cauliflower |
| Cauliflower | Chives | Chives deter aphids from cauliflower |
| Cauliflower | Dill | Dill attracts beneficial insects that protect cauliflower |
| Cauliflower | Garlic | Garlic deters cabbage pests from cauliflower |
| Cauliflower | Lettuce | Lettuce uses space between cauliflower plants |
| Cauliflower | Mint | Mint deters cabbage pests from cauliflower (grow in containers) |
| Cauliflower | Onion | Onions repel cabbage moths from cauliflower |
| Cauliflower | Oregano | Oregano deters cabbage moths from cauliflower |
| Cauliflower | Rosemary | Rosemary repels cabbage moths from cauliflower |
| Cauliflower | Sage | Sage repels cabbage moths from cauliflower |
| Cauliflower | Spinach | Spinach fills space between cauliflower plants |
| Cauliflower | Thyme | Thyme repels cabbage worms from cauliflower |
| Celery | Beans (Bush) | Beans fix nitrogen that heavy-feeding celery uses |
| Celery | Brussels Sprouts | Celery deters cabbage white butterflies from brussels sprouts |
| Celery | Cabbage | Celery deters cabbage white butterflies with its aromatic foliage |
| Celery | Leek | Celery and leeks share similar growing conditions and deter each other's pests |
| Celery | Onion | Onion scent deters celery leaf miners and aphids |
| Celery | Tomato | Celery and tomato share moisture needs; celery repels whiteflies |
| Chives | Broccoli | Chives deter aphids from brassicas |
| Chives | Carrot | Chives deter carrot rust fly |
| Chives | Cauliflower | Chives deter aphids from cauliflower |
| Chives | Lettuce | Chives deter aphids from lettuce |
| Chives | Strawberry | Chives deter aphids and may help prevent grey mould on strawberries |
| Chives | Tomato | Chives repel aphids from tomatoes |
| Cilantro | Lettuce | Cilantro attracts beneficial insects near lettuce |
| Cilantro | Potato | Cilantro repels potato beetles |
| Cilantro | Spinach | Both cool-season crops; cilantro attracts beneficial insects |
| Cilantro | Tomato | Cilantro repels aphids from tomatoes |
| Corn | Beans (Bush) | Beans fix nitrogen for corn; corn provides bean trellis (Three Sisters) |
| Corn | Cucumber | Corn provides shade and wind protection for cucumbers |
| Corn | Melon | Melon vines shade soil around corn; corn provides wind protection |
| Corn | Parsley | Parsley attracts beneficial insects near corn |
| Corn | Peas | Peas fix nitrogen that corn uses as a heavy feeder |
| Corn | Pumpkin | Pumpkin vines shade soil and suppress weeds around corn (Three Sisters) |
| Corn | Squash | Squash leaves shade soil and suppress weeds around corn (Three Sisters) |
| Corn | Sunflower | Both tall crops that attract pollinators together |
| Corn | Watermelon | Watermelon vines shade soil around corn; corn provides wind protection |
| Corn | Zucchini | Zucchini leaves shade soil and suppress weeds around corn |
| Cucumber | Basil | Basil repels cucumber beetles |
| Cucumber | Beans (Bush) | Beans fix nitrogen that cucumbers use; cucumbers shade bean roots |
| Cucumber | Corn | Corn provides shade and wind protection for cucumbers |
| Cucumber | Dill | Dill attracts beneficial wasps that prey on cucumber pests |
| Cucumber | Lettuce | Lettuce grows well in cucumber canopy shade |
| Cucumber | Okra | Cucumbers benefit from okra's wind protection; complementary root depths |
| Cucumber | Oregano | Oregano acts as general pest repellent near cucumbers |
| Cucumber | Peas | Peas fix nitrogen; cucumbers benefit from enriched soil |
| Cucumber | Radish | Radishes deter cucumber beetles |
| Cucumber | Sunflower | Sunflower shade and pollinator attraction benefit cucumber production |
| Dill | Asparagus | Dill attracts parasitic wasps that control asparagus beetle larvae |
| Dill | Broccoli | Dill attracts beneficial insects that protect brassicas |
| Dill | Brussels Sprouts | Dill attracts parasitic wasps that control cabbage worms on brussels sprouts |
| Dill | Cabbage | Dill attracts parasitic wasps that control cabbage worms |
| Dill | Cauliflower | Dill attracts beneficial insects that protect cauliflower |
| Dill | Cucumber | Dill attracts beneficial wasps that prey on cucumber pests |
| Dill | Kale | Dill attracts beneficial wasps that control kale pests |
| Dill | Lettuce | Dill attracts beneficial insects near lettuce |
| Dill | Onion | Dill attracts pollinators near onion plants |
| Eggplant | Basil | Basil repels aphids and spider mites from eggplant |
| Eggplant | Beans (Bush) | Beans fix nitrogen and repel Colorado potato beetle from eggplant |
| Eggplant | Garlic | Garlic deters flea beetles from eggplant |
| Eggplant | Lavender | Lavender repels whiteflies and attracts pollinators for eggplant fruit set |
| Eggplant | Okra | Both heat-lovers with similar needs; eggplant deters flea beetles |
| Eggplant | Pepper | Both nightshades with identical heat and sun needs |
| Eggplant | Spinach | Spinach provides ground cover under eggplant |
| Eggplant | Thyme | Thyme deters flea beetles from eggplant |
| Eggplant | Tomato | Similar growing conditions; tomatoes deter flea beetles from eggplant |
| Garlic | Artichoke | Garlic deters aphids that commonly attack artichoke buds |
| Garlic | Beet | Garlic improves beet growth and repels pests |
| Garlic | Brussels Sprouts | Garlic deters aphids and cabbage worms from brussels sprouts |
| Garlic | Cabbage | Garlic deters cabbage pests |
| Garlic | Cauliflower | Garlic deters cabbage pests from cauliflower |
| Garlic | Eggplant | Garlic deters flea beetles from eggplant |
| Garlic | Kale | Garlic deters flea beetles and aphids from kale |
| Garlic | Lettuce | Garlic deters aphids from lettuce |
| Garlic | Pepper | Garlic deters aphids from peppers |
| Garlic | Potato | Garlic deters potato beetles and fungal diseases |
| Garlic | Rhubarb | Garlic deters rhubarb crown borers and fungal diseases |
| Garlic | Spinach | Garlic deters aphids from spinach |
| Garlic | Strawberry | Garlic deters spider mites and fungal diseases; strong scent confuses pests |
| Garlic | Swiss Chard | Garlic deters aphids from chard |
| Garlic | Tomato | Garlic deters red spider mites from tomatoes |
| Garlic | Turnip | Garlic deters flea beetles and aphids from turnips |
| Kale | Beet | Beets loosen subsoil benefiting kale roots |
| Kale | Dill | Dill attracts beneficial wasps that control kale pests |
| Kale | Garlic | Garlic deters flea beetles and aphids from kale |
| Kale | Mint | Mint deters flea beetles from kale (grow in containers) |
| Kale | Onion | Onion scent deters cabbage pests from kale |
| Kale | Rhubarb | Rhubarb's large leaves shade kale roots in summer heat |
| Kale | Rosemary | Rosemary repels cabbage moths from kale |
| Kale | Sage | Sage repels cabbage moths from kale |
| Kale | Spinach | Both cool-season greens; spinach fills space beneath kale |
| Kale | Thyme | Thyme repels cabbage worms from kale |
| Lavender | Eggplant | Lavender repels whiteflies and attracts pollinators for eggplant fruit set |
| Lavender | Pepper | Lavender attracts pollinators; aromatic foliage may deter aphids from peppers |
| Lavender | Rosemary | Both Mediterranean plants with similar drainage and sun needs; attract pollinators together |
| Lavender | Sage | Sage and lavender share growing conditions and both deter garden pests |
| Lavender | Strawberry | Lavender attracts pollinators and repels slugs near strawberry beds |
| Lavender | Thyme | Both low-growing Mediterranean herbs; complementary pollinator attraction |
| Lavender | Tomato | Lavender attracts pollinators and repels whiteflies near tomatoes |
| Leek | Beet | Beets and leeks complement each other in root depth and growing speed |
| Leek | Carrot | Leeks repel carrot fly; carrots repel leek moth — classic companion pair |
| Leek | Celery | Celery and leeks share similar growing conditions and deter each other's pests |
| Leek | Lettuce | Lettuce fills space between leek rows in early season |
| Leek | Onion | Fellow alliums share pest-deterrent properties and growing conditions |
| Leek | Parsley | Parsley attracts beneficial insects that help protect leeks |
| Leek | Spinach | Spinach provides early ground cover between slow-growing leeks |
| Leek | Strawberry | Leek scent deters strawberry pests; complementary root depths |
| Lettuce | Artichoke | Lettuce thrives in the partial shade cast by artichoke's large leaves |
| Lettuce | Asparagus | Lettuce fills space between asparagus crowns in early spring before ferns emerge |
| Lettuce | Beet | Beet roots grow deep leaving shallow zone for lettuce |
| Lettuce | Broccoli | Lettuce uses space between broccoli plants |
| Lettuce | Carrot | Carrots loosen soil aiding lettuce root growth |
| Lettuce | Cauliflower | Lettuce uses space between cauliflower plants |
| Lettuce | Chives | Chives deter aphids from lettuce |
| Lettuce | Cilantro | Cilantro attracts beneficial insects near lettuce |
| Lettuce | Cucumber | Lettuce grows well in cucumber canopy shade |
| Lettuce | Dill | Dill attracts beneficial insects near lettuce |
| Lettuce | Garlic | Garlic deters aphids from lettuce |
| Lettuce | Leek | Lettuce fills space between leek rows in early season |
| Lettuce | Melon | Lettuce uses space before melon vines spread |
| Lettuce | Okra | Okra provides afternoon shade for heat-sensitive lettuce |
| Lettuce | Onion | Onion scent deters aphids from lettuce |
| Lettuce | Peas | Peas provide shade that keeps lettuce from bolting |
| Lettuce | Radish | Radishes loosen soil for lettuce roots |
| Lettuce | Spinach | Complementary cool-season greens |
| Lettuce | Strawberry | Lettuce provides living mulch between strawberry rows; strawberries shade lettuce roots |
| Lettuce | Sunflower | Sunflower shade prevents lettuce from bolting in warm weather |
| Lettuce | Swiss Chard | Both greens with complementary growth habits |
| Lettuce | Tomato | Lettuce acts as living mulch beneath tomato plants |
| Lettuce | Watermelon | Lettuce uses space before watermelon vines spread |
| Melon | Beans (Bush) | Beans fix nitrogen that heavy-feeding melon vines use |
| Melon | Corn | Corn provides windbreak and partial shade; melon vines spread underneath |
| Melon | Lettuce | Lettuce matures before melon vines spread and benefits from partial shade |
| Melon | Radish | Radishes mature before melon vines need the space; may deter cucumber beetles |
| Melon | Sunflower | Sunflowers attract pollinators essential for melon fruit set |
| Mint | Broccoli | Mint deters cabbage pests from brassicas (grow in containers) |
| Mint | Cabbage | Mint deters cabbage moths (grow in containers) |
| Mint | Cauliflower | Mint deters cabbage pests from cauliflower (grow in containers) |
| Mint | Kale | Mint deters flea beetles from kale (grow in containers) |
| Mint | Peas | Mint deters pea moths |
| Mint | Squash | Mint deters squash bugs (grow in containers) |
| Mint | Tomato | Mint deters aphids from tomatoes |
| Okra | Basil | Basil repels aphids and attracts pollinators near okra |
| Okra | Beans (Bush) | Beans fix nitrogen that feeds heavy-producing okra plants |
| Okra | Cucumber | Cucumbers benefit from okra's wind protection; complementary root depths |
| Okra | Eggplant | Both heat-lovers with similar needs; eggplant deters flea beetles |
| Okra | Lettuce | Okra provides afternoon shade for heat-sensitive lettuce |
| Okra | Pepper | Peppers and okra share heat requirements and attract pollinators together |
| Okra | Sunflower | Both tall warm-season plants; sunflowers attract pollinators that improve okra set |
| Onion | Beet | Onion scent deters beet pests |
| Onion | Broccoli | Onions repel brassica pests |
| Onion | Brussels Sprouts | Onion scent deters cabbage moths and aphids from brussels sprouts |
| Onion | Cabbage | Onions repel cabbage maggots and loopers |
| Onion | Carrot | Onion scent deters carrot rust fly; carrot scent deters onion fly |
| Onion | Cauliflower | Onions repel cabbage pests from cauliflower |
| Onion | Celery | Onion scent deters celery leaf miners |
| Onion | Dill | Dill attracts pollinators near onion plants |
| Onion | Kale | Onions deter cabbage pests from kale |
| Onion | Leek | Fellow alliums share pest-deterrent properties and growing conditions |
| Onion | Lettuce | Onion scent deters aphids from lettuce |
| Onion | Pepper | Onions deter aphids from peppers |
| Onion | Rhubarb | Onions deter pests from rhubarb; complementary root depths |
| Onion | Spinach | Onion scent deters pests from spinach |
| Onion | Strawberry | Onion scent deters aphids and spider mites from strawberries |
| Onion | Swiss Chard | Onion scent deters pests from chard |
| Onion | Turnip | Turnip roots loosen soil; onions deter turnip pests |
| Oregano | Broccoli | Oregano deters cabbage moths from brassicas |
| Oregano | Cauliflower | Oregano deters cabbage moths from cauliflower |
| Oregano | Cucumber | Oregano acts as general pest repellent near cucumbers |
| Oregano | Pepper | Oregano deters pests from peppers |
| Oregano | Squash | Oregano provides general pest repellent for squash |
| Oregano | Sweet Potato | Oregano deters pests from sweet potato vines |
| Oregano | Tomato | Oregano repels aphids and provides general pest deterrent |
| Oregano | Zucchini | Oregano provides general pest repellent near zucchini |
| Parsley | Asparagus | Parsley attracts beneficial insects and provides ground cover around asparagus crowns |
| Parsley | Corn | Parsley attracts beneficial insects near corn |
| Parsley | Leek | Parsley attracts beneficial insects that help protect leeks |
| Parsley | Pepper | Parsley attracts beneficial insects near peppers |
| Parsley | Tomato | Parsley attracts hoverflies that eat tomato aphids |
| Peas | Artichoke | Peas fix nitrogen that heavy-feeding artichokes use |
| Peas | Carrot | Peas fix nitrogen; carrots loosen soil for better root growth |
| Peas | Corn | Peas fix nitrogen that corn uses as a heavy feeder |
| Peas | Cucumber | Peas fix nitrogen; cucumbers benefit from enriched soil |
| Peas | Lettuce | Peas provide shade that keeps lettuce from bolting |
| Peas | Mint | Mint deters pea moths |
| Peas | Potato | Peas fix nitrogen for potatoes |
| Peas | Radish | Radishes mature before peas need the space; mark slow rows |
| Peas | Spinach | Peas provide shade that keeps spinach cool; peas fix nitrogen |
| Peas | Turnip | Turnips grow quickly between slower pea plants; peas fix nitrogen |
| Pepper | Basil | Basil repels aphids and spider mites; may improve pepper flavor |
| Pepper | Carrot | Carrots loosen soil; peppers provide afternoon shade |
| Pepper | Eggplant | Both nightshades with identical heat and sun needs |
| Pepper | Garlic | Garlic deters aphids from peppers |
| Pepper | Lavender | Lavender attracts pollinators; aromatic foliage may deter aphids from peppers |
| Pepper | Okra | Peppers and okra share heat requirements and attract pollinators together |
| Pepper | Onion | Onions deter aphids and other pests from peppers |
| Pepper | Oregano | Oregano deters pests from peppers |
| Pepper | Parsley | Parsley attracts beneficial insects near peppers |
| Pepper | Spinach | Spinach provides ground cover under pepper plants |
| Pepper | Sunflower | Sunflower pollinator attraction improves pepper fruit set |
| Pepper | Tomato | Both warm-season nightshades with similar requirements |
| Potato | Basil | Basil repels potato beetles and aphids |
| Potato | Beans (Bush) | Beans repel Colorado potato beetles |
| Potato | Cilantro | Cilantro repels potato beetles |
| Potato | Garlic | Garlic deters potato beetles and fungal diseases |
| Potato | Peas | Peas fix nitrogen for potatoes |
| Potato | Radish | Radishes planted around potatoes deter flea beetles |
| Pumpkin | Beans (Bush) | Three Sisters: beans fix nitrogen for heavy-feeding pumpkin vines |
| Pumpkin | Corn | Three Sisters: corn provides windbreak and trellis; pumpkin vines shade soil |
| Pumpkin | Radish | Radishes deter squash pests and mature before pumpkin vines spread |
| Pumpkin | Sunflower | Sunflowers attract pollinators essential for pumpkin fruit set |
| Radish | Beans (Bush) | Radishes mature quickly before beans need full space |
| Radish | Beet | Radishes loosen topsoil benefiting deeper beet roots |
| Radish | Carrot | Radishes mark slow-germinating carrot rows and break soil crust |
| Radish | Cucumber | Radishes deter cucumber beetles |
| Radish | Lettuce | Radishes loosen soil for lettuce roots; fast harvest frees space |
| Radish | Melon | Radishes deter cucumber beetles from melon vines |
| Radish | Peas | Radishes mature before peas need the space |
| Radish | Potato | Radishes deter flea beetles from potatoes |
| Radish | Pumpkin | Radishes repel squash vine borers from pumpkin vines |
| Radish | Spinach | Radishes break soil crust for spinach seedlings |
| Radish | Squash | Radishes repel squash vine borers |
| Radish | Sweet Potato | Radishes loosen soil and mature before sweet potato vines need space |
| Radish | Swiss Chard | Radishes loosen soil for chard roots |
| Radish | Turnip | Both fast root crops with complementary harvest windows |
| Radish | Watermelon | Radishes deter cucumber beetles from watermelon vines |
| Radish | Zucchini | Radishes repel squash vine borers from zucchini |
| Rhubarb | Beans (Bush) | Beans fix nitrogen that benefits heavy-feeding rhubarb |
| Rhubarb | Cabbage | Rhubarb leaves may deter whiteflies and cabbage worms |
| Rhubarb | Garlic | Garlic deters rhubarb crown borers and fungal diseases |
| Rhubarb | Kale | Rhubarb's large leaves shade kale roots in summer heat |
| Rhubarb | Onion | Onions deter pests from rhubarb; complementary root depths |
| Rhubarb | Strawberry | Classic garden pairing; complementary harvest windows; rhubarb leaves shade strawberry roots |
| Rosemary | Beans (Bush) | Rosemary repels bean beetles |
| Rosemary | Broccoli | Rosemary repels cabbage moths from brassicas |
| Rosemary | Cabbage | Rosemary repels cabbage moths |
| Rosemary | Carrot | Rosemary repels carrot rust fly |
| Rosemary | Cauliflower | Rosemary repels cabbage moths from cauliflower |
| Rosemary | Kale | Rosemary repels cabbage moths from kale |
| Rosemary | Lavender | Both Mediterranean plants with similar drainage and sun needs; attract pollinators together |
| Sage | Broccoli | Sage repels cabbage moths from brassicas |
| Sage | Brussels Sprouts | Sage repels cabbage moths and flea beetles |
| Sage | Cabbage | Sage repels cabbage moths |
| Sage | Carrot | Sage repels carrot rust fly |
| Sage | Cauliflower | Sage repels cabbage moths from cauliflower |
| Sage | Kale | Sage repels cabbage moths from kale |
| Sage | Lavender | Sage and lavender share growing conditions and both deter garden pests |
| Sage | Strawberry | Sage deters slugs and may reduce powdery mildew |
| Sage | Tomato | Sage deters flea beetles from tomatoes |
| Spinach | Artichoke | Spinach fills space beneath tall artichoke plants in cool weather |
| Spinach | Asparagus | Spinach grows well in partial shade of asparagus ferns; complementary harvest windows |
| Spinach | Beet | Both thrive in cool weather and complement each other |
| Spinach | Broccoli | Spinach fills space between broccoli plants |
| Spinach | Brussels Sprouts | Spinach provides living mulch between tall brussels sprouts stalks |
| Spinach | Cabbage | Spinach uses space between cabbage plants |
| Spinach | Cauliflower | Spinach fills space between cauliflower plants |
| Spinach | Cilantro | Both cool-season crops; cilantro attracts beneficial insects |
| Spinach | Eggplant | Spinach provides ground cover under eggplant |
| Spinach | Garlic | Garlic deters aphids from spinach |
| Spinach | Kale | Both cool-season greens; spinach fills space beneath kale |
| Spinach | Leek | Spinach provides early ground cover between slow-growing leeks |
| Spinach | Lettuce | Both cool-season greens with complementary growth habits |
| Spinach | Onion | Onion scent deters pests from spinach |
| Spinach | Peas | Peas provide shade that keeps spinach cool; fix nitrogen |
| Spinach | Pepper | Spinach provides ground cover under pepper plants |
| Spinach | Radish | Radishes break soil crust for spinach seedlings |
| Spinach | Strawberry | Spinach fills space between strawberry plants in early spring; complementary root depths |
| Spinach | Tomato | Spinach thrives in the shade of tomato plants |
| Squash | Beans (Bush) | Three Sisters: beans fix nitrogen; squash shades soil |
| Squash | Corn | Squash leaves shade soil and suppress weeds around corn |
| Squash | Mint | Mint deters squash bugs (grow in containers) |
| Squash | Oregano | Oregano provides general pest repellent for squash |
| Squash | Radish | Radishes repel squash vine borers |
| Squash | Sunflower | Sunflower pollinator attraction and wind protection benefit squash |
| Strawberry | Asparagus | Asparagus and strawberries share space well; asparagus ferns shade strawberries in summer |
| Strawberry | Beans (Bush) | Beans fix nitrogen which benefits heavy-feeding strawberries |
| Strawberry | Chives | Chives deter aphids and may help prevent grey mould on strawberries |
| Strawberry | Garlic | Garlic deters spider mites and fungal diseases; strong scent confuses pests |
| Strawberry | Lavender | Lavender attracts pollinators and repels slugs near strawberry beds |
| Strawberry | Leek | Leek scent deters strawberry pests; complementary root depths |
| Strawberry | Lettuce | Lettuce provides living mulch between strawberry rows; strawberries shade lettuce roots |
| Strawberry | Onion | Onion scent deters aphids and spider mites from strawberries |
| Strawberry | Rhubarb | Classic garden pairing; complementary harvest windows; rhubarb leaves shade strawberry roots |
| Strawberry | Sage | Sage deters slugs and may reduce powdery mildew |
| Strawberry | Spinach | Spinach fills space between strawberry plants in early spring; complementary root depths |
| Strawberry | Thyme | Thyme repels worms and slugs; low-growing habit complements strawberry beds |
| Sunflower | Artichoke | Sunflowers attract pollinators; both are tall Asteraceae that grow well together |
| Sunflower | Beans (Bush) | Sturdy sunflower stalks provide a natural trellis for pole beans |
| Sunflower | Corn | Both tall crops that attract pollinators; planted together for mutual benefit |
| Sunflower | Cucumber | Sunflowers attract pollinators for cucumber flowers and provide light shade |
| Sunflower | Lettuce | Tall sunflowers provide afternoon shade that prevents lettuce from bolting |
| Sunflower | Melon | Sunflower pollinator attraction improves melon fruit set |
| Sunflower | Okra | Both tall warm-season plants; sunflowers attract pollinators that improve okra set |
| Sunflower | Pepper | Sunflowers attract pollinators that improve pepper fruit set |
| Sunflower | Pumpkin | Sunflower pollinator attraction improves pumpkin fruit set |
| Sunflower | Squash | Sunflowers attract pollinators and provide wind protection for squash |
| Sunflower | Watermelon | Sunflower pollinator attraction improves watermelon fruit set |
| Sunflower | Zucchini | Sunflowers attract pollinators and provide wind protection for zucchini |
| Sweet Potato | Beans (Bush) | Beans fix nitrogen that sweet potato vines use |
| Sweet Potato | Oregano | Oregano deters pests and provides ground cover near sweet potato |
| Sweet Potato | Radish | Radishes mature before sweet potato vines spread and loosen soil |
| Sweet Potato | Thyme | Thyme provides aromatic ground cover that deters pests from sweet potato |
| Swiss Chard | Beans (Bush) | Beans fix nitrogen that chard uses |
| Swiss Chard | Cabbage | Complementary root zones and nutrient needs |
| Swiss Chard | Garlic | Garlic deters aphids from chard |
| Swiss Chard | Lettuce | Both greens with complementary growth habits |
| Swiss Chard | Onion | Onion scent deters pests from chard |
| Swiss Chard | Radish | Radishes loosen soil for chard roots |
| Thyme | Broccoli | Thyme repels cabbage worms from brassicas |
| Thyme | Brussels Sprouts | Thyme repels cabbage worms and provides ground cover |
| Thyme | Cabbage | Thyme repels cabbage worms |
| Thyme | Cauliflower | Thyme repels cabbage worms from cauliflower |
| Thyme | Eggplant | Thyme deters flea beetles from eggplant |
| Thyme | Kale | Thyme repels cabbage worms from kale |
| Thyme | Lavender | Both low-growing Mediterranean herbs; complementary pollinator attraction |
| Thyme | Strawberry | Thyme repels worms and slugs; low-growing habit complements strawberry beds |
| Thyme | Sweet Potato | Thyme deters pests from sweet potato as aromatic ground cover |
| Thyme | Tomato | Thyme deters whiteflies from tomatoes |
| Tomato | Asparagus | Tomatoes repel asparagus beetles; asparagus deters root-knot nematodes that attack tomatoes |
| Tomato | Basil | Basil repels aphids and whiteflies; may improve tomato flavor |
| Tomato | Carrot | Carrots loosen soil around tomato roots; tomatoes shade carrots in summer heat |
| Tomato | Celery | Celery repels whiteflies; both appreciate consistent moisture |
| Tomato | Chives | Chives repel aphids from tomatoes |
| Tomato | Cilantro | Cilantro repels aphids from tomatoes |
| Tomato | Eggplant | Similar growing conditions; tomatoes deter flea beetles from eggplant |
| Tomato | Garlic | Garlic deters red spider mites from tomato plants |
| Tomato | Lavender | Lavender attracts pollinators and repels whiteflies near tomatoes |
| Tomato | Lettuce | Lettuce acts as living mulch beneath tomato plants |
| Tomato | Mint | Mint deters aphids from tomato plants |
| Tomato | Oregano | Oregano repels aphids and provides general pest deterrent |
| Tomato | Parsley | Parsley attracts hoverflies that eat aphids on tomatoes |
| Tomato | Pepper | Both warm-season nightshades with similar growing requirements |
| Tomato | Sage | Sage deters flea beetles from tomatoes |
| Tomato | Spinach | Spinach thrives in the shade of tomato plants |
| Tomato | Thyme | Thyme deters whiteflies from tomatoes |
| Turnip | Garlic | Garlic deters flea beetles and aphids from turnips |
| Turnip | Onion | Onion scent deters flea beetles from turnip greens |
| Turnip | Peas | Peas fix nitrogen that turnips use; complementary root zones |
| Turnip | Radish | Both fast-growing root crops that loosen soil; stagger harvest |
| Watermelon | Beans (Bush) | Beans fix nitrogen that heavy-feeding watermelon vines use |
| Watermelon | Corn | Corn provides windbreak; watermelon vines spread underneath without competing for light |
| Watermelon | Lettuce | Lettuce matures before watermelon vines spread and benefits from partial shade |
| Watermelon | Radish | Radishes mature quickly before watermelon vines need the space; may deter cucumber beetles |
| Watermelon | Sunflower | Sunflowers attract pollinators that improve watermelon fruit set |
| Zucchini | Beans (Bush) | Beans fix nitrogen that zucchini uses as a heavy feeder |
| Zucchini | Corn | Zucchini leaves shade soil and suppress weeds around corn |
| Zucchini | Oregano | Oregano provides general pest repellent near zucchini |
| Zucchini | Radish | Radishes repel squash vine borers from zucchini |
| Zucchini | Sunflower | Sunflower pollinator attraction and wind protection benefit zucchini |
Plants to Keep Apart
| Plant A | Plant B | Why |
|---|---|---|
| Asparagus | Garlic | Garlic root exudates may stunt asparagus crown development |
| Asparagus | Onion | Onions compete for nutrients and may inhibit asparagus root growth |
| Asparagus | Potato | Potatoes compete for nutrients and harbour root diseases |
| Beans (Bush) | Chives | Chives inhibit bean growth (allium family) |
| Beans (Bush) | Garlic | Garlic inhibits bean growth |
| Beans (Bush) | Leek | Beans and leeks inhibit each other's growth — alliums and legumes are antagonistic |
| Beans (Bush) | Onion | Onions inhibit bean growth through root exudates |
| Broccoli | Strawberry | Brassicas inhibit strawberry growth and share disease pressure |
| Broccoli | Tomato | Both are heavy feeders competing for nutrients |
| Brussels Sprouts | Pepper | Peppers and brassicas compete for nutrients and attract shared pest pressure |
| Brussels Sprouts | Strawberry | Brassicas and strawberries compete for nutrients and attract shared pests |
| Brussels Sprouts | Tomato | Both are heavy feeders competing for nutrients; tomatoes attract shared pests |
| Cabbage | Strawberry | Brassicas and strawberries compete for nutrients and attract shared pests |
| Cabbage | Tomato | Compete for nutrients; cabbage may stunt tomato growth |
| Carrot | Celery | Same family (Apiaceae); shared pests including carrot rust fly |
| Carrot | Dill | Dill can cross-pollinate carrots (same family Apiaceae); mature dill inhibits carrot growth |
| Cauliflower | Strawberry | Brassicas compete with strawberries for nutrients |
| Cauliflower | Tomato | Both are heavy feeders competing for nutrients |
| Celery | Carrot | Same family (Apiaceae); share pests such as carrot rust fly and celery fly |
| Celery | Corn | Both heavy feeders that compete for nutrients and water |
| Chives | Beans (Bush) | Chives inhibit bean growth (allium family) |
| Chives | Peas | Chives inhibit pea growth (allium family) |
| Corn | Celery | Corn shades celery and both compete heavily for nutrients |
| Corn | Tomato | Both attract tomato fruitworm (corn earworm) |
| Cucumber | Potato | Both susceptible to blight; cucumbers may promote potato scab |
| Cucumber | Sage | Sage can inhibit cucumber growth |
| Dill | Carrot | Same family (Apiaceae); may cross-pollinate and inhibit carrot growth |
| Dill | Tomato | Mature dill can inhibit tomato growth |
| Eggplant | Strawberry | Eggplant shares verticillium wilt susceptibility with strawberries |
| Garlic | Asparagus | Garlic root exudates may stunt asparagus crown development |
| Garlic | Beans (Bush) | Garlic inhibits bean growth |
| Garlic | Peas | Garlic inhibits pea growth |
| Kale | Tomato | Both heavy feeders; kale is a brassica that competes for nutrients |
| Lavender | Mint | Mint's aggressive spreading and moisture needs conflict with lavender's dry preferences |
| Leek | Beans (Bush) | Beans and leeks inhibit each other's growth — alliums and legumes are antagonistic |
| Leek | Peas | Peas and alliums are antagonistic; leek root exudates inhibit pea growth |
| Melon | Potato | Both susceptible to similar fungal diseases; compete for soil nutrients |
| Mint | Lavender | Mint's aggressive spreading and moisture needs conflict with lavender's dry preferences |
| Mint | Strawberry | Mint spreads aggressively and overtakes strawberry beds |
| Okra | Sweet Potato | Both vigorous spreaders that compete aggressively for space and nutrients |
| Onion | Asparagus | Onions compete for nutrients and may inhibit asparagus root growth |
| Onion | Beans (Bush) | Onions inhibit bean growth through root exudates |
| Onion | Peas | Onions inhibit pea growth |
| Peas | Chives | Chives inhibit pea growth (allium family) |
| Peas | Garlic | Garlic inhibits pea growth |
| Peas | Leek | Peas and alliums are antagonistic; leek root exudates inhibit pea growth |
| Peas | Onion | Onions inhibit pea growth |
| Pepper | Brussels Sprouts | Peppers and brassicas compete for nutrients and attract shared pest pressure |
| Pepper | Strawberry | Peppers share verticillium wilt risk with strawberries |
| Potato | Asparagus | Potatoes compete for nutrients and harbour root diseases |
| Potato | Cucumber | Both susceptible to blight; cucumbers promote potato scab |
| Potato | Melon | Both susceptible to similar fungal diseases and compete for nutrients |
| Potato | Pumpkin | Both heavy feeders susceptible to overlapping fungal diseases |
| Potato | Rhubarb | Potatoes and rhubarb compete for nutrients and may share soil-borne diseases |
| Potato | Squash | Squash may promote potato blight |
| Potato | Strawberry | Both attract verticillium wilt; potatoes harbour root diseases that spread to strawberries |
| Potato | Sunflower | Sunflower allelopathic compounds inhibit potato growth |
| Potato | Sweet Potato | Both tuber crops share soil diseases and pests |
| Potato | Tomato | Same family (Solanaceae); share late blight and pests |
| Potato | Turnip | Both root crops competing for soil zone and sharing pest pressure |
| Potato | Watermelon | Both susceptible to similar fungal diseases and compete for nutrients |
| Potato | Zucchini | Zucchini may promote potato blight |
| Pumpkin | Potato | Both heavy feeders susceptible to overlapping fungal diseases |
| Rhubarb | Potato | Potatoes and rhubarb compete for nutrients and may share soil-borne diseases |
| Rhubarb | Turnip | Root crops compete with rhubarb's deep crown system |
| Sage | Cucumber | Sage can inhibit cucumber growth |
| Squash | Potato | Squash may promote potato blight |
| Squash | Sweet Potato | Both sprawling vines compete for space and share fungal diseases |
| Strawberry | Broccoli | Brassicas inhibit strawberry growth and share disease pressure |
| Strawberry | Brussels Sprouts | Brassicas and strawberries compete for nutrients and attract shared pests |
| Strawberry | Cabbage | Brassicas and strawberries compete for nutrients and attract shared pests |
| Strawberry | Cauliflower | Brassicas compete with strawberries for nutrients |
| Strawberry | Eggplant | Eggplant shares verticillium wilt susceptibility with strawberries |
| Strawberry | Mint | Mint spreads aggressively and overtakes strawberry beds |
| Strawberry | Pepper | Peppers share verticillium wilt risk with strawberries |
| Strawberry | Potato | Both attract verticillium wilt; potatoes harbour root diseases that spread to strawberries |
| Sunflower | Potato | Sunflower roots release allelopathic compounds that inhibit potato growth |
| Sweet Potato | Okra | Both vigorous spreaders that compete aggressively for space and nutrients |
| Sweet Potato | Potato | Both tuber crops share soil diseases and compete for root zone |
| Sweet Potato | Squash | Both sprawling vines compete for space and may share fungal diseases |
| Tomato | Broccoli | Both are heavy feeders competing for nutrients |
| Tomato | Brussels Sprouts | Both are heavy feeders competing for nutrients; tomatoes attract shared pests |
| Tomato | Cabbage | Compete for nutrients; cabbage may stunt tomato growth |
| Tomato | Cauliflower | Both are heavy feeders competing for nutrients |
| Tomato | Corn | Both attract tomato fruitworm (corn earworm) |
| Tomato | Dill | Mature dill can inhibit tomato growth |
| Tomato | Kale | Both heavy feeders; kale is a brassica that competes for nutrients |
| Tomato | Potato | Same family (Solanaceae); share late blight and pests |
| Turnip | Potato | Both root crops competing for similar soil zone; shared pest pressure |
| Turnip | Rhubarb | Root crops compete with rhubarb's deep crown system |
| Watermelon | Potato | Both susceptible to similar fungal diseases; compete heavily for soil nutrients |
| Zucchini | Potato | Zucchini may promote potato blight |
Check compatibility in your garden plan
Willow automatically warns you when incompatible plants are placed too close together.
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