Sweet potatoes are a warm season crop which take ~90+ days to harvest. Sweet potatoes are grown from slips not seeds. One slip will give you a few sweet potato tubers. Plant as soon as it is warm Will pentas thrive in a container with Fafard ultra mix? Pumpkin Seeds for Planting Heirloom, Non GMO Vegetable Garden Seeds for High Yield and Fast Germination 100 pcs Cold and moisture ensure milkweed seeds will germinate and grow Perennial Curb Appeal Wildflower Seed Mix American Meadows