Mahonia eurybracteata Sweet Winter ('Minganpi'PBR)

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Oregon grape 'Sweet Winter'

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Oregon grape 'Sweet Winter' John Fielding

Synonyms

Mahonia eurybracteata 'Minganpi'PBR
Berberis eurybracteata 'Minganpi'
Mahonia eurybracteata 'Sweet Winter'
Berberis eurybractyata Sweet Winter

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Shrubs
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An upright, usually unbranched, evergreen, compact shrub to 1.2m tall. The dark green pinnate leaves have widely spaced, linear to narrowly lanced-shaped, gently serrated, but spine-free leaflets. The racemes of lightly fragrant, yellow flowers are produced from autumn to winter, followed by blue-black berries

Position

Full shade, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

1-1.5 metres

Size

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

Growing Conditions

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

Position

Full shade Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
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

Fragrance Flower
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

Grow in well-drained, humus rich soil in full sun or partial shade

Propagation

Propagate by semi-ripe cuttings

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Wildlife gardens
  • Low Maintenance
  • Flower borders and beds

Pruning

Pruning group 8

Pests

Generally pest-free

Diseases

May be susceptible to a rust and powdery mildews