In the Atlanta area our last frost date is around April 15 so we have to count back to figure out when to sow seeds indoors to get a jump-start on the growing season. Here is a seed sowing calendar to help you get plants ready for when the weather warms up.
12 Weeks before last frost
January 22
begonia, browallia, geranium, larkspur, viola, pansy, vinca
11 Weeks before last frost
January 29
Dianthus, petunia, portulaka, verbena, onions, celery, celeriac
10 Weeks before last frost
February 5
heliotrope, candytuft, primula, leek, early greens (to be planted out in the coldframe or greenhouse beds), snapdragon, stock
9 Weeks before last frost
February 12
delphinium, chamomile, parsley, Greek oregano, impatiens, rudbeckia, early lettuce, kale, escarole, thyme
8 Weeks before last frost
February 19
pepper (78*F), shallot, eggplant, basil, cherry tomato, cabbage, cauliflower, broccoli, columbine, dahlia, phlox
7 Weeks before last frost
February 26
large tomato varieties, alyssum, cleome, salvia horminum, lavatera, ageratum, celosia
6 Weeks
March 4
zinnia, more lettuce, radicchio, marigold, aster, balsam
5 Weeks before last frost
March 11
bachelor’s buttons, agastache, sweet pea, calendula, centaurea
4 Weeks before last frost
March 18
sanvitalia, cabbage, morning glory, nicotiana, nigella, phlox, phacelia
3 Weeks before last frost
March 25
morning glory, nasturtium, cosmos, melon, cucumber, squash, more lettuce
Be sure to read the seed packet when starting seed as some need light to germinate while others can be covered, some need at least 78* F to germinate while others only need 65* F. By following the instructions closely you are that much closer to being rewarded with healthy, strong plants ready to beautify your landscape and provide you with wholesome homegrown vegetables.