In the St. Louis area, Columbine can be planted from seed or transplanted outdoors in early March. Strawberries can be planted outdoors 6-8 weeks before the last frost.

In the St. Louis area, Radishes and California Poppies can be planted outdoors in early March.

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.

In the St. Louis area Penstemon, Little Bluestem Grass, Purple Coneflower and Rudbeckia can be planted outdoors in mid-March.

In the St. Louis area Chocolate Flower, Showy Milkweed, Common Milkweed and Butterfly Milkweed can be planted outdoors in late March.

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.