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 VEVOR 6 Inch Plastic Flower Pots 16 Round Tapered Planters Pumpkin Seeds for Planting Heirloom, Non GMO Vegetable Garden Seeds for High Yield and Fast Germination 100 pcs How to Grow Raspberries In Containers Easiest way to harvest pine cone seeds