Choose a large container with drainage holes
Use a container at least 12 to 18 inches deep and wide
Fill it with loose, well-draining potting mix
Mix in compost for added nutrients
Start with healthy sweet potato slips
Plant slips after all frost danger has passed
Bury the roots and leave the leaves above the soil
Space slips several inches apart
Place the container in full sun
Water deeply after planting
Keep the soil evenly moist, not soggy
Fertilize lightly with a low-nitrogen fertilizer
Avoid too much nitrogen
Train vines to spill over the container or support them if needed
Check regularly for pests and disease
Harvest when leaves begin to yellow
Carefully empty the container to collect the tubers
Cure harvested sweet potatoes in a warm, humid place
Store cured sweet potatoes in a cool, dry, dark location