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Cascade Oregon Grape
Berberis nervosa, Mahonia nervosa, Cascade Oregon Grape, Pacific Northwest Native Plants, Oregon Native Plants, Sparrowhawk Native Plants

Cascade Oregon Grape

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Mahonia nervosa / Berberis nervosa

  • Size at maturity: 2' tall, 2' wide
  • Canopy layer: small shrub
  • Light requirements: full shade, part sun / part shade
  • Moisture requirements: dry to moist soil
  • Growth rate: medium
  • Special features: evergreen, medicinal, wildlife favorite, supports hummingbirds

The leaves of the Cascade Oregon Grape, while similar to those of Tall Oregon Grape, usually have 9–19 leaflets. The Tall Oregon Grape has only 5–9 leaflets. The upright clusters of fragrant yellow flowers appear from March to June, emerging from the center of the plant. The leaves are generally arranged in a circular fashion around a central stem, and may take on a reddish color in the winter. (Portland Plant List, 2016)

Photo Credit 1: Tracy Cozine

Photo Credit 2: "Oregon grape Berberis nervosa" by brewbooks is licensed under CC BY-SA 2.0