At a Glance: When to Start Seeds Indoors

The number of weeks needed to start seedlings before setting out into the garden.
12 weeks:
Leek, Onion, Thyme
10 weeks:
Lupine, Shasta Daisy, Gloriosa Daisy, Ox-Eye Daisy, Purple Cone Flower (Echinacia), Columbine, Carnation, Lobelia, Pansy
9 weeks:
Parsley, Lavender, Cilantro (Coriander)
8 weeks:
Eggplant, Oregano, Calendula, Baby's Breath, Dianthus, Morning Glory, Thunbergia (Black Eyed-Susan Vine), Iceland Poppy, Peppers, Chinese Lanterns, Mint, Spearmint
7 weeks:
Marigolds, Cauliflower, Cabbage, Broccoli, Tomato
6 weeks:
Brussel Sprouts, Endive, Kohlrabi, Kale, Collards, Viola, Oriental Poppy, Black-Eyed Susans, Annual Cut Flower Mix, Bachelor's Buttons, Cleome, Alyssum, Portulaca, Strawflower, Sage
4 weeks:
Cucumber, Musk Melon (Cantaloupe), Lettuce, Cosmos, Zinnias, Okra