Photo by Melody

PlantFiles: Oca
Oxalis tuberosa

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Family: Oxalidaceae
Genus: Oxalis (oks-AL-iss) (Info)
Species: tuberosa (too-ber-OH-suh) (Info)

Synonym:Oxalis crenata

3 vendors have this plant for sale.

25 members have or want this plant for trade.

Category:
Unknown - Tell us

Height:
18-24 in. (45-60 cm)

Spacing:
9-12 in. (22-30 cm)

Hardiness:
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Late Summer/Early Fall

Foliage:
Grown for foliage
Herbaceous
Velvet/Fuzzy-Textured

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Non-patented

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
Unknown - Tell us

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to view:

By Baa
Thumbnail #1 of Oxalis tuberosa by Baa

By bootandall
Thumbnail #2 of Oxalis tuberosa by bootandall

By mgarr
Thumbnail #3 of Oxalis tuberosa by mgarr

By Ian_Pearson
Thumbnail #4 of Oxalis tuberosa by Ian_Pearson

By Ian_Pearson
Thumbnail #5 of Oxalis tuberosa by Ian_Pearson

By redtitan
Thumbnail #6 of Oxalis tuberosa by redtitan

By redtitan
Thumbnail #7 of Oxalis tuberosa by redtitan

There are a total of 10 photos.
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Profile:

1 positive
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Ian_Pearson On Feb 8, 2010, Ian_Pearson from London
United Kingdom wrote:

Fairly productive tuber-forming food crop (typically c. 1 kg per plant if well grown). Day-length sensitive, so unproductive in areas with early frost in Autumn. Several varieties available. Very attractive foliage, suitable as ground cover. Attractive waxy tubers harvested after the plant has been killed by frost. May be grown like potatoes (earthed up) or alternatively its habit suits bi-cropping with any tall crop such as tomatoes or corn. Some sources are beginning to report mild allelopathic effect on following crops. Delicious roasted!

Neutral Murple On Mar 8, 2002, Murple wrote:

I was first made aware of this plant on a trip to Bolivia. The roots there are a fairly common vegetable, especially with the indigenous Aymara and Quechua people. The roots are look like short, rounded, yellow carrots, and are cooked by boiling. The taste is similar to sweet potato, but the texture is firmer, more like a carrot. A very tasty tuber worth growing and eating, and a nice looking foliage plant to boot.

Neutral Baa On Sep 20, 2001, Baa wrote:

A tuberous crop similar to the potato and having a slightly nutty new potato taste. May also be used in place of wheat as a flour.

Typical trifoliate leaves with silvery soft hairs and bright yellow oxalis flowers. Produces numerous, buff, pink, red or brown tubers, much smaller than a potato and yields about 8lbs of tubers per plant on moderate soil.

This plant is by no means frost hardy, tubers can be lifted and replanted the following year or as I do, left in a large container under glass over the winter and repotted the following year. They do have pests, cheifly in the form of the Oca Weevil, or in my case pet ducks who love the foliage.

Regional...

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

,
Emeryville, California
Richmond, California
Prospect, Kentucky
Sweet Home, Oregon
Wilkes Barre, Pennsylvania
Morristown, Tennessee
Grand Mound, Washington
Moclips, Washington
Seattle, Washington



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