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ZANTHOXYLUM piperitum
Commonly known as Japan pepper, Sichuan pepper
Spiny pepper with small, yellow-green flowers and tiny, red, berry-like fruits
Further Reading....
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Deciduousglossy, dark green leaves to 15cm (6in) long, each with 11-23 ovate, toothed leaflets turning yellow in autumn
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Height2.5m (8ft) -
Spread2.5m (8ft)
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Tall ShrubBushy, spiny shrub, eventually small tree. Produces panicles, 5cm (2in) long, of small, cup-shaped flowers from the leaf axils followed by fruits which split to reveal black seeds. Bark and fruit are also aromatic
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Tree
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Hardy - very cold winterHardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F) -
Full sun -
Partial shadeLight, dappled shade
ZANTHOXYLUM piperitum
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Additional Features
Pests & DiseasesNone
Place of originChina, Korea, Japan, Taiwan -
Garden Location/ConditionsBorderSuitable for a shrub borderTown garden
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HardinessFully hardy
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Leaf form
Pinnate(see photos above) -
Leaf margin
Incised
(see photos above) -
Leaf shape
Ovate
(see photos above) -
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.
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Scented PlantsScented foliageAromatic foliage
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Soil ConditionsFertile well drained soil
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Zanthoxylum - Growing Guide
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2.5m (8ft)
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2.5m (8ft) |
Buy Varieties of ZANTHOXYLUM piperitum
ZANTHOXYLUM piperitum purple-leaved
Japan pepper, Sichuan pepper
rare form of Japan pepper. Aromatic shiny purple foliage. Leaves small and pinnate. Spiny stems
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
Afterplant - Grow Your Own
AFTER PLANT GROW YOUR OWN seaweed is ready to use liquid concentrate that was specially formulated be used on all edible plants.
Only £8.00
Fertilisers & Feeds - Empathy
Afterplant - Tomatoes
AFTER PLANT TOMATO FEED Liquid Concentrate with Bio stimulant is a high potash liquid concentrate containing seaweed extract, plant derived amino acids and other nutrients specifically formulated to benefit tomatoes and greenhouse plants.
Only £8.00
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
Rootgrow Ericoid mycorrhizal fungi
This specially adapted Rootgrow™ mycorrhizal fungi will boost the growth of acid-loving plants like rhododendrons, azaleas, heathers and blueberries.
It contains ericoid and arbuscular mycorrhizal fungi, which are found in poor acidic soils where ericaceous plants naturally grow.
Only £7.50
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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