The leaves contain oxalic acid, which gives them their sharp flavour. Perfectly all right in small quantities, the leaves should not be eaten in large amounts since oxalic acid can bind up the body's supply of calcium leading to nutritional deficiency. The quantity of oxalic acid will be reduced if the leaves are cooked. People with a tendency to rheumatism, arthritis, gout, kidney stones or hyperacidity should take especial caution if including this plant in their diet since it can aggravate their condition
Leaves - raw or cooked
. A mass of the leaves and stems can be allowed to ferment slightly when they make a tasty dessert
. A sort of rhubarb pie can be made from the leaf stalks
. Use in moderation, see notes above on toxicity.
A good ground cover plant for a woodland garden
, though it can be invasive
. It needs weeding for the first year or so
There are no material uses listed for Oxalis oregana.
A decoction of the whole plant has been used as a wash in the treatment of rheumatism
The fresh juice of the plant has been used as eye drops to ease sore eyes.
A poultice of the wilted leaves has been used as a dressing on boils, sores and on swollen areas of the skin
Seed - best sown as soon as ripe in a cold frame. Prick out the seedlings into individual pots when they are large enough to handle and plant them out in late spring or early summer.
Division in spring. Larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer.
Practical Plants is currently lacking information on propagation instructions of Oxalis oregana. Help us fill in the blanks! Edit this page to add your knowledge.
Easily grown in a moisture-retentive humus-rich soil in shade or dappled sunlight
. Succeeds in dense shade
Grows well in a wild or woodland garden
. Plants can be very invasive when in suitable conditions
Problems, pests & diseases
Associations & Interactions
There are no interactions listed for Oxalis oregana. Do you know of an interaction that should be listed here? edit this page to add it.
Polycultures & Guilds
There are no polycultures listed which include Oxalis oregana.
This table shows all the data stored for this plant.
Material uses & Functions
Native Climate Zones
Adapted Climate Zones
Native Geographical Range
Root Zone Tendancy
? Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. ISBN 0-7513-020-31 (1995-00-00)
? 2.02.1 Gunther. E. Ethnobotany of Western Washington. University of Washington Press ISBN 0-295-95258-X (1981-00-00)
? 3.03.13.23.3 Facciola. S. Cornucopia - A Source Book of Edible Plants. Kampong Publications ISBN 0-9628087-0-9 (1990-00-00)
? 4.04.14.24.34.44.5 Moerman. D. Native American Ethnobotany Timber Press. Oregon. ISBN 0-88192-453-9 (1998-00-00)
? 5.05.15.2 Royal Horticultural Society. Ground Cover Plants. Cassells. ISBN 0-304-31089-1 (1989-00-00)
? 6.06.1 Thomas. G. S. Plants for Ground Cover J. M. Dent & Sons ISBN 0-460-12609-1 (1990-00-00)
? 7.07.17.27.3 Hitchcock. C. L. Vascular Plants of the Pacific Northwest. University of Washington Press (1955-00-00)
? 8.08.18.2 Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)
? Phillips. R. & Rix. M. Perennials Volumes 1 and 2. Pan Books ISBN 0-330-30936-9 (1991-00-00)
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