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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....
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Deciduous
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Semi-evergreenKeeps 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
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Yellow4cm (1½in) long -
Height2.5m (8ft) -
Spread2m (6½ft)
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Tall ShrubOpen, upright shrub. Produces pea-like flowers
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Half hardy - unheated greenhouse / mild winterHardy 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 sunshelter from cold winds -
Partial shade
PIPTANTHUS nepalensis
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Additional Features
Pests & DiseasesNone
Place of originSouthwestern China and Himalayas -
Flower ShapeRacemesUpright, terminal racemes
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HardinessFrost hardy (down to -5)
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Leaf Colour (if not green)BlueBlue-green, blue-white beneath
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Pruning group
Pruning group 1Suitable 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 8Suitable 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.
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Seasonal InterestSpring
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Soil ConditionsFertile well drained soil
Jan
Feb
Mar
Apr
May
Jun
Jul
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Piptanthus - Growing Guide
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2.5m (8ft)
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2m (6½ft) |
Useful extras...
Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00
Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
3 options from £3.00
Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants.
Perfect used in conjunction with Rootgrow™.
Only £7.50
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