Choose a sunny location with well-drained soil
Loosen the soil to a depth of 8 to 12 inches
Mix in compost or aged manure if needed
Plant onion bulbs in early spring or fall, depending on your climate
Set bulbs 1 to 2 inches deep with the pointed end up
Space bulbs 4 to 6 inches apart
Space rows 12 to 18 inches apart
Cover bulbs lightly with soil and firm gently
Water thoroughly after planting
Keep soil evenly moist, not soggy
Remove weeds regularly
Apply mulch to help retain moisture and suppress weeds
Fertilize lightly during the growing season if needed
Harvest when tops begin to yellow and fall over
Cure harvested onions in a dry, airy place before storing