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PlantFiles: Onion
Allium cepa 'Copra'

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Family: Alliaceae
Genus: Allium (AL-ee-um) (Info)
Species: cepa (KEP-uh) (Info)
Cultivar: Copra

» View all varieties of Onions and Garlic

One vendor has this plant for sale.

Category:
Vegetables

Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

Spacing:
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)

Hardiness:
Not Applicable

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Unknown - Tell us

Bloom Time:
Unknown - Tell us

Foliage:
Unknown - Tell us

Other details:
Unknown - Tell us

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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to view:

By TBGDN
Thumbnail #1 of Allium cepa by TBGDN

By TBGDN
Thumbnail #2 of Allium cepa by TBGDN

Profile:

1 positive
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive TBGDN On Sep 16, 2009, TBGDN from Macy, IN wrote:

This is my first year raising Copra onions, and they are pretty much what I had expected from reading about them. They are small, usually no more than 3 to 4 inches in diameter at most. But, I grew them for winter storage -not size. A quote from the supplier reads, "This is the best storage onion available. Its extra-hard medium-size bulbs will provide you onions for cooking until you have to plant again. The blocky round shape and thin necks allow the onions to dry quickly and they still have the highest sugar content of any storage type." Unquote. My supplier is Dixondale Farms, and they are very favorably rated in the Garden Watchdog.

Neutral Gabrielle On Jan 27, 2006, Gabrielle from (Zone 5a) wrote:

It did not get as big as I thought it would; most turned out very small. They do last well, and it is nice to have onions from the garden for most of the year.

Neutral Farmerdill On Aug 11, 2005, Farmerdill from Augusta, GA (Zone 8a) wrote:

A 106 day storage hybrid.

Regional...

This plant has been said to grow in the following regions:

Byers, Colorado
Macy, Indiana
Wilsonville, Oregon



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