Berberis nervosa (Cascade Oregon Grape, Cascade Mahonia)
Botanical Information
| Family | Berberidaceae |
| Genus | Berberis |
| Species | nervosa |
| Category | Woody |
| Type | Shrub (evergreen) |
Details
| USDA Hardiness Zone | 6 - 9 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 7 |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H6 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -23 |
| Temperature (°F) | -15 |
| Height | 0.6 m |
| Spread | 1.2 m |
| Growth | Medium |
| Flowering Period | April, May |
Description and Growing Information
| Shape | Low mounding, mat-forming. |
| Landscape | Loose groundcover under taller shrubs or trees or on steep rises. |
| Propagation | By seed or semi ripe root or bud cuttings. |
| Cultivation | Will grow under full sun to deep shade. Plant in moist to well-drained soil of any type or acidity. |
| Pests | Galls, scales and whiteflies. May be susceptible to rust and leaf spot. |
| Notable Specimens | Van Dusen Botanical Garden, Vancouver, British Columbia, Canada. |
| Bark/Stem Description | Showy reddish-brown fruit stems. |
| Colour Description | Lush green to yellowish-green foliage. Deep indigo to deep blue fruits. Reddish brown mature branches and stems. New growth is brownish-green. |
Photographs
A mature plant at Van Dusen Botanical Garden, Vancouver, British Columbia, Canada.
A mature plant at Van Dusen Botanical Garden, Vancouver, British Columbia, Canada.
A mature plant at Van Dusen Botanical Garden, Vancouver, British Columbia, Canada.