Carpinus betulus Chartreuse ('Carpsim')

RHS Plant Profile
hornbeam [Chartreuse]

Synonyms

Carpinus betulus 'Carpsim'

Trees

A medium-sized deciduous tree with yellow-green leaves turning acid yellow in late summer. Inconspicuous flowers develop into winged, hop-like fruits in the autumn

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

8-12 metres

Max Spread

wider than 8 metres

Size

Time to Maturity
20–50 years
Max Spread
wider than 8 metres
Max Height
8-12 metres

Growing Conditions

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

Position

Full sun
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Betulaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright, Spreading branched
Genus
Carpinus are deciduous shrubs and trees with attractive foliage and hop-like fruit clusters in late summer and autumn
Name Status
Trade

How to Grow

Cultivation

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

Propagation

Propagate by softwood cuttings or by grafting

Suggested planting locations and garden types

  • Architectural
  • Hedging and screens

Pruning

Pruning group 1

Pests

May be susceptible to caterpillars and aphids

Diseases

May be susceptible to powdery mildews, coral spot and sometimes honey fungus