PlantsVegetables & Roots
Onion
Allium cepa
Zone 6a garden plant. Hardy through a Chicago winter unless the note says to pot it.
Bulb onion from sets or transplants
EasyVegetables & RootsEdible
- Light
- Full sun
- Moisture
- Medium
- Mature size
- 1 ft
- Spacing
- 4 in
- Bloom or harvest
- Bulbs Jul–Aug
- How it spreads
- Annual
- What to buy
- Sets or transplants. Seed is slow.
- When to plant
- Sets go in as soon as the soil thaws, usually early April.
In the design
Long-day varieties are the ones that bulb in Chicago.
If you eat it
Bulbs and green tops
Wash. Don't eat ornamental allium bulbs.
Only eat what you planted and can name. This is not a foraging or medical guide.
