Berberis thunbergii f. atropurpurea 'Helmond Pillar'

RHS Plant Profile
Japanese barberry 'Helmond Pillar'

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Japanese barberry 'Helmond Pillar' RHS
Japanese barberry 'Helmond Pillar' RHS
Japanese barberry 'Helmond Pillar' RHS
Japanese barberry 'Helmond Pillar' RHS
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A bushy, deciduous spiny shrub with a narrow, upright habit, eventually reaching 1.5m in height. Small pale yellow flowers are borne in late spring, followed by red berries in the autumn; often persisting into winter. Foliage is brownish-red and deciduous; autumn leaf fall exposes the brown, thorny stems

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
5–10 years
Max Spread
0.5-1 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 sun Partial shade
Aspect
North–facing or East–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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Berberidaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Potentially harmful
Fruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Fruit are ornamental - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus
Berberis can be deciduous or evergreen shrubs with spiny shoots bearing simple, often spine-toothed leaves, and small yellow or orange flowers in axillary clusters or racemes, followed by small berries
Name Status
Accepted

How to Grow

Cultivation

Tolerant of a range of soils and locations, but grows best in any well drained soil in full sun or partial shade, though flowering and fruiting are best in full sun. A useful upright accent plant in the garden. See berberis cultivation for further advice.

Propagation

Propagate by sotwood cuttings or semi-hardwood cuttings

Suggested planting locations and garden types

  • City and courtyard gardens
  • Coastal
  • Patio and container plants
  • Wildlife gardens
  • Flower borders and beds
  • Hedging and screens

Pruning

Pruning group 2; only requires light pruning to maintain upright habit

Pests

May be susceptible to aphids and berberis sawfly

Diseases

May be susceptible to powdery mildews and sometimes by honey fungus