Berberis aquifolium
'Woodland King'
Woodland King Oregon Grape Holly
Family |
Berberidaceae |
Genus |
Berberis |
Species |
aquifolium |
Cultivar |
'Woodland King' |
Category |
Woody |
Type |
Shrub (evergreen) |
Synonyms |
Mahonia aquifolium 'Woodland King' (Name changed to Berberis aquifolium 'Woodland King' in 2019) |
USDA Hardiness Zone |
5 |
Canadian Hardiness Zone |
4 - 6a |
RHS Hardiness Zone |
H7 |
Temperature (°C) |
-29 - (-23) |
Temperature (°F) |
-20 - (-10) |
Height |
2 m |
Landscape |
Valuable as medium-height groundcover, however it may become invasive and should be held in check through the removal of unwanted shoots. |
Cultivation |
Grow in full sun, will tolerate a range of soils and climactic conditions. |
Pests |
Susceptible to the bacterium Pseudomonas berberidis, which causes small, purple-black spots on the leaves and can be controlled with a fungicide spray. Powdery mildew and root rot may also cause problems, and infestations by the berberry aphid (Liosomaphis berberidis) are possible. |
Habitat |
Horticultural origin. |
Notable Specimens |
Royal Botanical Gardens, Burlington, Ontario, Canada. |
Propagation |
Propagate by fresh seed, although hybridization is likely to occur. May also be propagated through division. |