vegetable variety
Copra
Onion · Allium cepa
USDA hardiness range
- Zones
- 3a–6b
- Days to harvest
- 90 to 130
- Sun
- Full
- Water
- Moderate
- Lifespan
- biennial grown as annual
At a glance
Pungent, dense, dependable storage onion; small to medium yellow globes. Cooking, soups, sauteing. Stores 8-10 months, the longest-keeping yellow onion for the home garden.
Growing Copra
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.
Copra by zone
Zone-specific suitability, frost timing, and adjacent-zone notes.
Other onion varieties
4 sibling cultivars profiled on ZonePlant.
- 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…
- Walla Walla
Very sweet, juicy, mild; large flat-topped pale yellow onion. Fresh, salads, burgers, onion rings. Short-day s…
- 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 Copra onion grow in?
Copra grows in USDA zones 3a through 6b.
- How does Copra compare to other onion varieties?
Copra 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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