Oxalis Species, Cubio, New Zealand Yam, Oca, Wood Sorrel

Oxalistuberosa

Genus
Oxalis (oks-AL-iss)
Species
tuberosa (too-ber-OH-suh)
Synonym
Acetosella tuberosa
Oxalis aracatcha
Oxalis arracacha
Sun Exposure
Full Sun
Foliage
Grown for foliage
Herbaceous
Succulent
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)
Danger
N/A
Bloom Color
Bright Yellow
Bloom Time
Late Summer/Early Fall
Other Details
Category
Vegetables
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
Bloom Size
Other details
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
Regional

This plant is said to grow outdoors in the following regions:

Birmingham, Alabama

Emeryville, California

Richmond, California

Prospect, Kentucky

Sweet Home, Oregon

Wilkes Barre, Pennsylvania

Morristown, Tennessee

Grand Mound, Washington

Moclips, Washington

Rochester, Washington

Seattle, Washington

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Gardener's Notes:

2
positives
3
neutrals
0
negative
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M
Daytona, FL | July 2016 | neutral

These will not grow in Florida.

J
Toronto, ON (Zone 6a) | January 2016 | positive

Well, it is certainly easy to grow! Purchased tiny bulbs in spring and got eaten some right next day I have planted by rodents...
...Read More

I
| February 2010 | positive

Fairly productive tuber-forming food crop (typically c. 1 kg per plant if well grown). Day-length sensitive, so unproductive in areas wit...Read More

M
M
| March 2002 | neutral

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 ...Read More

B
B
Baa
| September 2001 | neutral

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.
...Read More

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