Berberis x media (Lily of the Valley Bush)


Botanical Information

FamilyBerberidaceae
GenusBerberis
Speciesx media
SynonymsMahonia x media (Name changed to Berberis x media in 2019)
CategoryWoody
TypeShrub (evergreen)
OriginA hybrid between two Asian species, Berberis (Mahonia) japonica and Berberis (Mahonia) lomariifolia.

Details

USDA Hardiness Zone6 - 9
USDA Hardiness Ref.
Canadian Hardiness Zone6a - 8a
Canada Hardiness Ref.
RHS Hardiness ZoneH5
RHS Hardiness Ref.
Temperature (°C)-21°
Temperature (°F)-10°
Height2 m
Spread2 m
GrowthMedium
Flowering PeriodMay

Description and Growing Information

General DescriptionEvergreen shrub with yellow flowers in the winter and clusters of blueberries in the spring. Short unbranched stems with glossy green leaves.
ID CharacteristicErect raceme of yellow flowers and dark green leaflets.
ShapeUpright form, with age the plant will begin to become rounded.
LandscapeSpecimen plant that has autumn and winter interest. Can be used in mass and group plantings or for screening purposes.
CultivationPrefers semi-shaded woodland in damp, slightly acidic soil. Can grow in full shade to full sun situations if sufficient soil moisture is present.
PestsLeaf rusts and white flies. Some damage to leaves by a looper caterpillar. Fungal leaf spots and Galls as well.
HabitatHorticultural origin.
Bark/Stem DescriptionSmooth and glossy with a purple tinge on multi-stemed trunks.
Flower/Leaf Bud DescriptionLateral buds are small and less than 1 cm. Terminal buds larger, 2- 3 cm and are ovoid with 6 bright orange and red scales.
Leaf DescriptionPinnate structure and approximately 17-21 leaflets. Leaves have spiny teeth on the edges. Individual leaves are 6-11 cm in length and 2.5-4 cm in width. Deep green and glossy on top and yellow-green underneath.
Flower DescriptionFlower is slightly fragrant. Grouped into lemon yellow clusters at the end of the branches. Racemes approximately 20 per cluster. Racemes are 25-35 cm long.
Fruit DescriptionBerries in the spring are blue to black. Approximately 1 cm in diameter. Acidic flavour but edible raw. Berries grow in clusters.
Colour DescriptionLeaves are deep green on top and green-yellow underneath. Flowers are lemon yellow in the winter. Blue berries are produced in the spring.
Texture DescriptionMedium-coarse.

Photographs