When to Start Seeds Indoors & When to Plant Them Out. Seed Calculator.

				Enter your first frost free date here. mm/dd/yyyy
Vegetable	When To plant your seeds inside			Setting-out date
Vegetable	From	To	When you can plant outside. (from your frost free date)	From	To
Artichoke			on frost-free date
Basil			1 week after
Beets			2 weeks before
Broccoli			2 weeks before
Cabbage			4 weeks before
Cauliflower			2 weeks before
Celery			1 week after
Collards			4 weeks before
Corn salad/mache			3 to 6 weeks before
Corn			0 to 2 weeks after
Cucumber			1 to 2 weeks after
Eggplant			2 to 3 weeks after
Kale			4 weeks before
Kohlrabi			4 weeks before
Leeks			2 weeks before
Lettuce			3 to 4 weeks before
Melons			2 weeks after
Mustard			4 weeks before
Okra			2 to 4 weeks after
Onions			4 weeks before
Parsley			2 to 3 weeks before
Peas			6 to 8 weeks before
Peppers			2 weeks after
Pumpkins			2 weeks after
Spinach			3 to 6 weeks before
Squash			2 weeks after
Swiss chard			2 weeks before
Tomatoes			1 to 2 weeks after
Watermelon			2 weeks after
Remember ... this is gardening. All hell could break loose at any moment. Frost in June, heat waves in March. Always proceed with caution.