ZonePlant
Copra onion

vegetable variety in zone 3a

Copra onion in zone 3a

Copra · Allium cepa

Zone
3a -40°F to -35°F
Growing season
90 days
Days to harvest
90 to 130

The verdict

Detailed guidance for this section is being prepared. Check back soon.

About Copra

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.

Critical timing for zone 3a

Detailed guidance for this section is being prepared. Check back soon.

Common challenges in zone 3a

  • ▸ Very short growing season
  • ▸ Late spring frosts
  • ▸ Limited fruit-tree options
  • ▸ Heavy mulching required

Modified care for zone 3a

Detailed guidance for this section is being prepared. Check back soon.

Copra in adjacent zones

Other onion varieties for zone 3a

Frequently asked questions

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Will Copra onion grow in zone 3a?

Yes. Copra is recommended for USDA zones 3a through 6b, which includes zone 3a.

Image: "Zwiebeln auf Antigua", by CHK46, via Wikimedia Commons, licensed under CC-BY Source.

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