Choose a sunny location with well-drained soil
Prepare the soil by loosening it and removing weeds
Mix in compost or aged manure if needed
Plant onion sets, seedlings, or seeds at the proper depth
Space plants adequately to allow bulb growth
Water regularly to keep soil evenly moist
Avoid overwatering to prevent rot
Keep the area weed-free
Apply a balanced fertilizer as needed
Thin seedlings if they are too crowded
Watch for pests and diseases
Harvest when tops begin to yellow and fall over
Cure harvested onions in a dry, airy place
Store onions in a cool, dry location