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…