Mahonia × wagneri 'Pinnacle'
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 metresTime to ultimate height
10–20 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| 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
H5Botanical details
- Family
- Berberidaceae
- Native to GB / Ireland
- 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
Pests
Generally pest-free
Diseases
Generally disease- free
Get involved
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