Woody > Berberis > Berberis hypokerina > Berberis hypokerina
Berberis hypokerina
Silver Holly
Origin: Native of Upper Myanmar, discovered and introduced by Kingdon Ward in 1926, and given a Royal Horticulture Society Award of Merit in June 1932.
| Family |
| Berberidaceae |
| Genus |
| Berberis |
| Species |
| hypokerina |
| Category |
| Woody |
| Type |
| Shrub (evergreen) |
| USDA Hardiness Zone |
| 5 - 7 |
| Canadian Hardiness Zone |
| 5a - 7a |
| RHS Hardiness Zone |
| H5 - H7 |
| Temperature (°C) |
| -29 - (-12) |
| Temperature (°F) |
| -20 - 10 |
| Height |
| 0.6 - 2.5 m |
| Spread |
| 0.6 - 2.5 m |
Photographs
Cultivars
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Description and Growing Information
Flowering Period
| General Description |
| A glabrous, evergreen shrub, often 60 to 120 cm high and of stiff habit, but sometimes up to 250 cm. |
| Landscape |
| Not commonly used in garden landscapes. Can be used for small, informal hedges under windows or function as a barrier wall for a small dog. |
| Cultivation |
| Grows best in full sun to partial shade. Extremely resilient to dry soil conditions. Requires little care, only pruning for shaping at the end of summer. Can be prone to severe winter burn in the colder zones. |
| Shape |
| Evergreen spineless rounded shrub 2.5 m x 2.5 m. The foliage has prickly edges but is large broad and very attractive. It makes excellent long-lived cut foliage. |
| Growth |
| Medium |
| Pests |
| May become infected with powdery mildew. |
| Leaf Description |
| Oblong-oval, up to 15 cm long and 5 cm wide, very stiff and leathery, the margins formidably set with triangular spines up to 0.5 cm long, dark green above, brilliantly silvery-white beneath. |
| Flower Description |
| Pale yellow, .05 cm across, up to fifteen crowded in stalkless axillary clusters, individual stalks 1 - 2 cm long. |
| Fruit Description |
| Blue-purple, of the ordinary elliptical barberry shape, 0.5 cm long, pendent below the branches on their short stalks. |
| Notable Specimens |
| Lanhydrock House and Garden, Bodmin, Cornwall, United Kingdom. |
| Propagation |
| From seed or softwood cuttings taken at the beginning of summer. |
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