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grow
Onion
beginner difficulty · hardiness zones 3–10
- Methods
- traditional
- Planting window
- March–May
- Greenhouse
- Not required
- Compact variant
- Available
Short-day varieties suit southern zones; long-day varieties suit northern zones.
Production planning estimate
Plan around onions per 32 sq ft bed
A starting estimate is 50 onions per 32 sq ft bed. That means one garden bed is a reasonable first unit to plan for, then adjust for your climate, practices, and household demand.
Space guideline
32 sq ft per garden bed
Starting plan
— garden beds
Planning note: Curing bulbs for a few weeks after harvest improves storage life.