vegetable variety
Walla Walla
Onion · Allium cepa
USDA hardiness range
- Zones
- 4a–7b
- Days to harvest
- 90 to 130
- Sun
- Full
- Water
- Moderate
- Lifespan
- biennial grown as annual
At a glance
Very sweet, juicy, mild; large flat-topped pale yellow onion. Fresh, salads, burgers, onion rings. Short-day storage minimal (2-3 months); eat early. Classic Pacific Northwest variety.
Growing Walla Walla
Detailed guidance for this section is being prepared. Check back soon.
Flavor, texture, and use
Detailed guidance for this section is being prepared. Check back soon.
Growing notes
Detailed guidance for this section is being prepared. Check back soon.
Walla Walla by zone
Zone-specific suitability, frost timing, and adjacent-zone notes.
Other onion varieties
4 sibling cultivars profiled on ZonePlant.
- Copra
Pungent, dense, dependable storage onion; small to medium yellow globes. Cooking, soups, sauteing. Stores 8-10…
- Red Burgundy
Sweet-mild, deep magenta rings; the classic red salad onion. Fresh, burgers, pickling, salsa. Stores 3-4 month…
- Vidalia (Yellow Granex)
Very sweet, juicy, mild; the famous Georgia sweet onion. Fresh, onion rings, salsa. Short-day variety only tru…
- Yellow Sweet Spanish
Mildly sweet, large globes, classic golden-skinned onion; the all-purpose home-garden onion. Cooking, slicing,…
Frequently asked questions
- What zones does the Walla Walla onion grow in?
Walla Walla grows in USDA zones 4a through 7b.
- How does Walla Walla compare to other onion varieties?
Walla Walla is one of 5 onion varieties profiled on ZonePlant. See the full onion variety table for side-by-side comparison.
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Image: "Zwiebeln auf Antigua", by CHK46, via Wikimedia Commons, licensed under CC-BY Source.
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