| Description | A blackberry plant with whitish canes in the winter. |
|---|---|
| Pronunciation | (ROO-bus)(kok-burn-ee-AH-nus) |
| Plant Type | All Plants, Shrubs Deciduous |
| Hardiness Zone | 5-9 |
| Sunlight | full, mostly sunny, part sun |
| Moisture | average |
| Soil & Site | average |
| Flowers | purple |
| Leaves | bright yellow, pinnate compound |
| Stems | reddish during growing season, become covered with white (glaucous) during cold weather, stems armored with prickles (extensions of the bark or epidermal tissue) |
| Roots | fibrous |
| Dimensions | can reach up to 5-6 feet, spreads by tip layering |
| Maintenance | pruning to control the spread, cut canes to t he ground each year, primocanes (first year canes) are the most ornamental |
| Propagation | stems bend and touch the soil and root (tip layering), these can be dug for new plants |
| Native Site | China |
| Cultivar Origin | Introduced by Ernest Wilson in 1904 |
| Misc Facts | (syn Rubus giraldianus) |
| Notes & Reference | #01-Manual of Woody Landscape Plants (Michael Dirr), #227-Lois the plant Geek (www.louistheplantgeek.com) |
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