Mahonia Sioux ('Bokrasio'PBR)

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Oregon grape [Sioux]

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Synonyms

Mahonia 'Bokrasio'PBR
Mahonia aquifolium 'Sioux'

Plants for pollinators
Shrubs
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A compact, low-growing evergreen shrub with glossy dark green, toothed foliage, flushed with purple in winter. Large, dense clusters of bright, golden yellow flowers appear in spring, followed by blue-black berries. A good choice for ground cover, under trees and for mass planting

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
5–10 years
Max Spread
1-1.5 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Berberidaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Berries are ornamentalnot 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
Trade

How to Grow

Cultivation

Tolerates a very wide range of growing conditions but does best in humus-rich, moist but well-drained soil in semi-shade. See mahonia cultivation

Propagation

Propagate by semi-ripe cuttings

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wildlife gardens
  • Low Maintenance
  • Banks and slopes
  • Flower borders and beds
  • Ground cover

Pruning

Pruning group 8

Pests

Generally pest-free

Diseases

May be susceptible to a rust and powdery mildews