PIPTANTHUS nepalensis

Commonly known as Evergreen laburnum, Nepal laburnum

(Syn. laburnifolius) - a Himalayan evergreen shrub suitable for a sunny wall with glossy leaves and bright yellow laburnum-like flowers in May. An excellent wall shrub
Further Reading....
  • Deciduous
  • Semi-evergreen
    Keeps some of its foliage all year, and will drop some leaves as well.
    3-palmate leaves composed of lance-shaped leaflets to 15cm (6in) long
  • Yellow
    4cm (1½in) long
  • Height
    2.5m (8ft)
  • Spread
    2m (6½ft)
  • Tall Shrub
    Open, upright shrub. Produces pea-like flowers
  • Half hardy - unheated greenhouse / mild winter
    Hardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)
  • Full sun
    shelter from cold winds
  • Partial shade

PIPTANTHUS nepalensis

 

 

  • Additional Features
    Pests & Diseases
    None
    Place of origin
    Southwestern China and Himalayas
  • Flower Shape
    Racemes
    Upright, terminal racemes
  • Hardiness
    Frost hardy (down to -5)
  • Leaf Colour (if not green)
    Blue
    Blue-green, blue-white beneath
  • Pruning group
    Pruning group 1
    Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
    Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
    When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.

    Pruning group 8
    Suitable for: Wall trained shrubs and less vigorous climbers.
    Action: For climbers 'spur prune' by cutting back 3-4 buds of the permanent framework. For wall trained shrubs cut back flowered shoots to within 2-4 buds of permanent framework.
    When: Annually after flowers if on previous year's growth, or in late Winter or Spring if on current year's growth.

  • Seasonal Interest
    Spring
  • Soil Conditions
    Fertile well drained soil
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Piptanthus - Growing Guide
2.5m (8ft)
Tall Shrub - guide for size not form Average Person
  2m (6½ft)
 

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