Mahonia repens

RHS Plant Profile
creeping-rooted barberry

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Other common names

edging barberry, holly grape

RHS Recommended

Plants for pollinators
Shrubs
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An upright, suckering evergreen shrub to a height of 30cm with glossy, spiny and wavy-margined foliage. Bunches of rounded, fragrant, dark yellow flowers are borne in mid to late spring, followed by round blue-black berries

Position

Full shade, Partial shade

Soil Types

Chalk, Clay, Sand, Loam

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
5–10 years
Max Spread
0.5-1 metres
Max Height
0.1-0.5 metres

Growing Conditions

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

Position

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

RHS Recommended: for People & Planet

RHS Recommended Plants for People & Planet

For Water Resilience

Plants for Flood Resilience

Plants that can help manage heavy rain by catching rainfall, slowing surface run-off, encouraging water into the soil or taking it up through their roots, contributing to flood resilient gardens.

Plants for both Wet and Dry Conditions

Plants that cope with changing soil moisture, including wet winters and extended summer dry. Once established, they grow as wet and dry conditions alternate.

For Temperature Resilience

Plants for Temperature Cooling

Plants that cool air temperature by providing shade, transpiration, or reflection to reduce heat impact on people, animals, soil or other ground surface.

Plants for Wind Shelter

Plants with dense canopies often grown as a tall thick hedge or grouping can block wind and shelter gardens, buildings and people.

For Carbon Storage

Plants for Carbon Storage

Plants that can take up carbon (CO₂) through photosynthesis and store it within the plant or deposit it by their roots into the soil.

For Biodiversity

Plants for Pollinators

Plants that have flowering properties (pollen and/or nectar) that are particularly beneficial for pollinating insects such as bees, butterflies and hoverflies.

Growing conditions for maximum benefit

This plant will provide the maximum benefits if it is healthy and allowed to grow to maturity

For Bio-Diversity

  • Plants for Pollinators

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
Suckering, 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
Correct
Plant Range
Western N America

How to Grow

Cultivation

Grow in any well-drained or moist but well-drained soil in shade or partial shade. They will tolerate sun if the soil does not dry out in summer. Good for a woodland setting and groundcover on shady banks or slopes. See mahonia cultivation for further advice

Propagation

Propagate by seed outdoors in autumn as soon as ripe or by semi-hardwood cuttings from late summer to autumn

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wildlife gardens
  • City and courtyard gardens
  • Coastal
  • Banks and slopes
  • Ground cover

Pruning

pruning group 8

Pests

Generally pest-free

Diseases

May be susceptible to a rust and Powdery mildews