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Mahonia aquifolium 'Fascicularis'
  • RHS AGM
  • RHS Plants for pollinators

Oregon grape 'Pinnacle'

A vigorous evergreen shrub of upright growth to 1.5m, with glossy pinnate bright green leaves which open coppery-tinted. Flowers bright yellow, in dense terminal clusters in spring, followed by blue-black berries

Synonyms
Berberis aquifolium 'Fascicularis'
Mahonia × wagneri 'Pinnata'
see moreMahonia aquifolium 'Fascicularis'
Mahonia fascicularis
Mahonia pinnata misapplied

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Size
Ultimate height
1–1.5 metres
Time to ultimate height
10–20 years
Ultimate spread
1–1.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Bronze Green
Summer Green
Autumn Green Black Blue
Winter Green
Position
  • Full shade
  • Partial shade
Aspect

West–facing or South–facing or North–facing or East–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Berberidaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Berries are ornamental, not to be eaten. Wear gloves and other protective equipment when handling
Genus

Mahonia are evergreen shrubs with leathery, pinnate leaves which are often spine-toothed, and clustered racemes of sometimes fragrant yellow flowers, sometimes followed by black or purple berries

Name status

Accepted

How to grow

Cultivation

Grow in humus-rich moist but well-drained soil, suited to full or partial shade in a sheltered position but tolerant of sun if soil is not too dry. See mahonia cultivation for further information

Propagation

Propagate by semi-ripe cuttings

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Coastal
  • Wildlife gardens
  • Low Maintenance
  • Flower borders and beds
  • Hedging and screens
Pruning

Pruning group 8

Pests

Generally pest-free

Diseases

Generally disease- free

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