In the St. Louis area Sunflower and Fennel can be started from seed indoors in early April.

In the St. Louis area Basil, Muskmelon, Summer Squash, Winter Squash, Stevia, Watermelon, Dill, Melons, Bush Beans, Pole Beans, Cucumber and Corn can be started from seed indoors in mid-April.

In the St. Louis area Purple Coneflower, Little Bluestem grass, Penstemon. Yucca filamentosa and Columbine can started from seed indoors in mid-January.

In the St. Louis area scallions, cosmos, chives and onions can started from seed indoors in late January.

In the St. Louis area, Rudbeckia can be started from seed indoors in early February.

In the St. Louis area, Coleus, Lemon Balm and Leeks can be started from seed indoors in early February.

In the St. Louis area, milkweeds, Ipomoea, petunia and chocolate flower can be started indoors in mid-February for later transplanting outdoors.

In the St. Louis area, Bee Balm, Arugula, Lovage, Fennel (herb), Catnip and Eggplant can be started indoors in late February for later transplanting outdoors.

In the St. Louis area, Salvia can be started indoors in early March for later transplanting outdoors.

In the St. Louis area the following can be started from seeds indoors in early March: Peppers, Bok Choy, Cabbage, Alyssum, Chamomile, Marigold, Peas, Zinnia, Chili Peppers, Collards, Tomatoes, Lettuce, Lavender, Sage, Broccoli, Cauliflower, Calendula, Blackberry Lily, Shasta Daisy.