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botanical name:
Mahonia nervosa
Mahonia nervosa © Deeproot Plant Base
common name:  Oregon Grape, Cascade Barberry
synonyms:  Berberis nervosa
family:  Berberidaceae
characteristics: shrub, evergreen, ground-cover, scented/aromatic
height: 1.00m
width: 1.00m
growth rate: slow
growth habit: bushy
leaf colour: dark green
flower colour: yellow
fruit colour: blue
main season: All Year
medicinal symbol medicinal
aspect: full sun, part shade, shade
conditions: dry soil, moist soil, clay soil, sandy soil
preferred soil pH: neutral-acid
minimum temp: -20°C
USDA zone: 6 to 9
Small evergreen shrub, slowly spreading by stolons. Short erect stems carry large pinnate leaves with spiny-toothed glossy dark green leaflets. In late autumn and winter the foliage often turns an attractive deep wine-red. Racemes of yellow flowers in spring, followed in summer by clusters of dark blue berries with a white powdery bloom.

Moist, well drained, humus-rich soil in part shade. Tolerates deep shade and also full sun in cooler regions. Once established will survive periods of drought.

From seed, cuttings or by separating rooted suckers

Excellent ground cover and understorey plant for shady positions.

An extract of the root was used medicinally by Native North Americans.

other notes:
Native to the northwest coast of North America from British Columbia to central California
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