Zone 4b Planting Calendar
Zone 4b
Last frost
May 1 – May 15
First frost
Sep 15 – Oct 1
Frost-free
120–150 days
This calendar is an approximation using average weather patterns and growing cycles and depends heavily on exact local weather and variety selection.
Indoor Start
Transplant / Outdoor
Direct Sow
vegetables
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Tomatoes
Peppers
Eggplant
Broccoli
Cauliflower
Cabbage
Brussels Sprouts
Kale
Lettuce
Spinach
Peas
Beans (bush)
Beans (pole)
Cucumbers
Summer Squash
Winter Squash
Pumpkins
Corn
Carrots
Beets
Radishes
Turnips
Onions (sets)
Onions (seed)
Potatoes
Swiss Chard
Celery
Leeks
Garlic
Kohlrabi
herbs
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Basil
Cilantro
Dill
Parsley
Chives
Thyme
Oregano
Sage
Rosemary
Mint
Lavender
flowers
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Marigolds
Zinnias
Sunflowers
Nasturtiums
Cosmos
Sweet Peas
Snapdragons
Calendula
Alyssum
Dahlias
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