| Scientific Name: | Frangula purshiana |
| Common Name: | cascara |
| Family Name: | Rhamnaceae |
| Origin: | B.C. west of Cascades, U.S. - northwest |
| Hardiness Zone: | Zone 7: (-18 to -12 °C) |
| Plant Type: | Tree - deciduous |
| Mature Size: | 10 - 15m x 5 - 7m (height x width) |
| Habit: | Open, Spreading, Upright |
| Form: | Oval - vertical |
| Texture: | Medium |
| Landscape Uses: | Attract birds, Fall interest, Forestry, Herb, Screening, Shade tree, Wetland - bogs, Wildlife food |
| Exposure: | Part sun/part shade, Filtered shade, Deep shade |
| Soil or Media: | Acidic, Humus rich, Well-drained |
| Leaves: | Simple, Alternate, Heavily veined, Pinnate venation, Rugose, Oblong, Entire |
| Flowers: | Flowers clustered, Green-yellow, May-Jun |
| Fruit: | Drupe, Purple, Black, Aug-Sep |
| Key ID Features: | |
| Deciduous tree; leaves alternate, most blades oblong, 7-14cm long x 4-6cm wide, margins mostly entire, major veins parallel and prominent (but indented on upper surface), dull, olive-green; Winter ID: twigs and buds with rust-coloured velvety pubescence; buds with no scales, 2-3mm long; terminal buds may look like rust-coloured praying hands, 6-12mm long; bark looks like snake skin. | |