What to Plant in June
USDA Zone 3b
Last frost: May 15 – Jun 1
Frost-free days: 90–120
The growing season is in full swing. Transplant any remaining warm-season crops and direct sow fast-growing varieties. Succession-plant beans and greens every two weeks.
June at a Glance
Indoor
Transplant
Direct Sow
1
5
10
15
20
25
Today
Marigolds
Zinnias
Sunflowers
Nasturtiums
Cosmos
Snapdragons
Calendula
Alyssum
Basil
Cilantro
Dill
Parsley
Chives
Thyme
Oregano
Sage
Rosemary
Tomatoes
Peppers
Eggplant
Broccoli
Cauliflower
Cabbage
Brussels Sprouts
Kale
Lettuce
Beans (bush)
Beans (pole)
Cucumbers
Summer Squash
Winter Squash
Pumpkins
Corn
Carrots
Beets
Radishes
Swiss Chard
Celery
Transplant 25
Move these seedlings from indoors to your garden beds.
Snapdragons
May 15 – Jun 1
Parsley
May 15 – Jun 1
4 per sq ft
70–90 days
Chives
May 15 – Jun 1
9 per sq ft
60–90 days
Broccoli
May 15 – Jun 1
1 per sq ft
60–100 days
Cauliflower
May 15 – Jun 1
1 per sq ft
55–100 days
Cabbage
May 15 – Jun 1
1 per sq ft
70–100 days
Brussels Sprouts
May 15 – Jun 1
1 per sq ft
80–110 days
Kale
May 15 – Jun 1
1 per sq ft
50–65 days
Swiss Chard
May 15 – Jun 1
4 per sq ft
50–60 days
Marigolds
Jun 1–10
Zinnias
Jun 1–10
Nasturtiums
Jun 1–8
Thyme
Jun 1–8
4 per sq ft
70–90 days
Oregano
Jun 1–8
1 per sq ft
60–90 days
Sage
Jun 1–8
1 per sq ft
75–90 days
Rosemary
Jun 1–8
1 per sq ft
80–120 days
Tomatoes
Jun 1–10
1 per sq ft
65–80 days
Cucumbers
Jun 1–15
2 per sq ft
50–70 days
Summer Squash
Jun 1–15
Winter Squash
Jun 1–15
Pumpkins
Jun 1–15
¼ per sq ft
85–120 days
Celery
Jun 1–10
4 per sq ft
80–120 days
Basil
Jun 5–15
4 per sq ft
25–35 days
Peppers
Jun 5–15
1 per sq ft
60–100 days
Eggplant
Jun 5–15
1 per sq ft
70–90 days
Direct Sow 22
Plant these seeds directly into the soil outdoors.
Cilantro
May 1 – Jun 1
9 per sq ft
30–45 days
Lettuce
May 1 – Jun 15
4 per sq ft
45–60 days
Carrots
May 1 – Jun 1
16 per sq ft
70–80 days
Beets
May 1 – Jun 1
9 per sq ft
50–70 days
Radishes
May 1 – Aug 1
16 per sq ft
22–30 days
Calendula
May 15 – Jun 1
Alyssum
May 15 – Jun 1
Dill
May 15 – Jun 15
4 per sq ft
40–60 days
Kale
May 15 – Jun 1
1 per sq ft
50–65 days
Swiss Chard
May 15 – Jun 1
4 per sq ft
50–60 days
Marigolds
Jun 1–8
Zinnias
Jun 1–15
Sunflowers
Jun 1–15
1 per sq ft
70–100 days
Nasturtiums
Jun 1–8
Cosmos
Jun 1–15
Beans (bush)
Jun 1–15
9 per sq ft
50–60 days
Beans (pole)
Jun 1–15
Cucumbers
Jun 1–15
2 per sq ft
50–70 days
Summer Squash
Jun 1–15
Winter Squash
Jun 1–10
Pumpkins
Jun 1–10
¼ per sq ft
85–120 days
Corn
Jun 1–15
1 per sq ft
60–100 days
June Gardening Tips
- Broccoli, Cabbage, Kale can be transplanted outside this month. Harden off seedlings over 5–7 days before planting out.
- Direct sow Corn, Lettuce, Kale straight into the garden — no transplanting needed.
- Water deeply but less often to encourage deep root growth. Morning watering reduces disease risk.
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