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    • Photo of Oxalis oregana flower, foliage by J.G. in SF

    Photo by J.G. in SF

    Used with permission, all rights reserved

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    Oxalis oregana

    Also Known As

    • Redwood Sorrel

    Plant type

    perennial, groundcover

    size

    • H: 3"-8"
    • W: 12"-60"

    planting zones

    • 7a-10b

    More Options

    Oxalis oregana plant details

    Oxalis oregana is a fast-growing broadleaf evergreen perennial groundcover with green foliage. In spring and summer pink flowers emerge. Grows well with bright shade - shade and regular - low water. Drought tolerant once established. Does well in well-drained soil.

    CHARACTERISTICS OF Oxalis oregana

    Plant type: perennial groundcover
    Plant family: oxalidaceae
    Foliage: evergreen green
    Mature size: 12 IN - 60 IN - wide, 3 IN - 8 IN - tall
    Flowers: pink blooms in spring and summer

    GROWING CONDITIONS for Oxalis oregana

    USDA Zones: 7a - 10b
    Sun exposure: bright shade - shade
    Watering frequency: regular - low
    Resistant to: deer
    Soil needs: well-drained

    Nursery contributed plant descriptions

    Zn 3. White to pink flowers. Green foliage.

    By: Little Prince of Oregon

    From the feet of the giant redwoods on the West coast, this ground cover oxalis has a classy silver vein in the leaf and pretty pink flowers on 6 inch stems. Given favorable conditions, as much like woodland soil as you can muster, it will make a luscious, lovely ground cover. Minimum temperature: 0°F

    By: Dancing Oaks Nursery

    A lovely shade ground cover, if you have moist soil, which makes beautiful foliage patterns that often remain through a mild winter. Vigorous, so keep an eye on it or plant it in a drier location. This species is native to BC but is only found in limited locations on the southern tip of the Queen Charlotte Islands and near Barkley Sound on the west coast of Vancouver Island. It is much more common south of the border and into California where it is an understorey plant in the giant redwood forests.

    By: Phoenix Perennials and Specialty Plants Ltd.

    Redwood sorrel is a short herbaceous perennial plant with erect flowering stems 5?15 cm tall. The three leaflets are heart-shaped with purplish undersides. The flowers are white to pink and the hairy five-chambered seed capsules are egg-shaped. This oxalis is found in moist Douglas Fir and Coast Redwood forests, blanketing the forest floor with its dense foliage, making it a great understory ground cover. The leaves of Oxalis oregana were eaten by Native Americans, probably in small quantities, since they contain mildly toxic oxalic acid, hence the genus name. Bloom period: February - September Native to California and is also found outside of California, but is confined to western North America. Tiny white flowers attract native bees and butterflies. The leaves were eaten by Native Americans, probably in small quantities, since they contain mildly toxic oxalic acid. Found in widespread on the dark, moist forest floor. Communitites located in Redwood Forest, Douglas-Fir Forest Between 0 and 3280 feet.

    By: The Watershed Nursery

    Blooms: spring-summer, white-pink/ semievergreen, trifoliate foliage Zone 7-9. 2"-8", PNW, part shade-shade, moist, well drained

    By: Keeping it Green Nursery

    A Cistus introduction, collected near Rowdy Creek on the Smith River almost directly on the California/Oregon border. This form of the native redwood sorrel grows to 6-8" in height, the leaves dark green above with deep maroon undersides and the flowers, smallish and pale pink in spring and summer. Works well in the deepest dark, dry shade, or in dappled sun. Happy to go dormant in the summer but remains evergreen with some water. Grows vigorously in winter. Cold hardy in USDA zone 7. An excellent small-scale groundcover.

    By: Cistus Nursery

    Gardening facts about Oxalis oregana plant

    How to Grow Oxalis oregana

    • Sun Exposure

      • bright shade - shade

    • Water Needs

      • regular - drought tolerant

    • Soil Needs

      • well-drained

    Features

    • Foliage Color

      • green

    • Flower Color

      • pink

    • Wildlife

      • deer resistant

    • Flower Season

      • summer
      • spring

    • Foliage Season

      • evergreen

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