Cascade Barberry
Berberis nervosa
brewbooks from near Seattle, USA
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Berberidaceae
- Genus:
- Berberis
- Species:
- Berberis nervosa
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Subshrub
- Height:
- 6-8 ft
- Light Requirements:
- Full Sun, Part Shade, Shade
- Drought Tolerance:
- Low
- Bloom Months:
- apr, may, jun
- Bloom Colors:
- Yellow
- Evergreen Shrub:
- Yes
- Landscaping Shrub:
- Yes
Native Range
United States: California, Idaho, Oregon, South Carolina, Washington, Canada: British Columbia
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.0 - 6.5 (acidic to slightly acidic)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
- Notes:
- Prefers shaded, forested environments
Germination Information
Pre-treatment: Seeds are placed into fine mesh bags and soaked in a 1% hydrogen peroxide (3:1 water/3% hydrogen peroxide) for 24 hours, rinsed, and placed in water for an additional 48 hours. Seeds are placed in a sealed container and into warm stratification (10 °C) for 60 days. Following warm stratification, seeds are layered in peat and placed into cold stratification (1 to 3 °C) for an additional 90 days. Check seeds in warm strat and peat weekly. If mold is evident, seeds should be treated with 1% hydrogen peroxide.
Establishment: Ripe fruits may be picked by hand, using heavy gloves, or flailed onto cloth beneath the bushes. The plant is native to Northern and central California Coast Ranges to British Columbia and northern Idaho.
Source: npn.rngr.net