ZANTHOXYLUM simulans, native to China and Taiwan, is a deciduous shrub or small tree in the Rutaceae family, valued for its fine, aromatic pinnate foliage, spiny stems, and ornamental fruits used as a spice (Sichuan pepper). With excellent cold hardiness and dual ornamental-culinary interest, it is a technical plant solution where structure, robustness, and edible value are required in the landscape.
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Packaging
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Packaging
P40 A7
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Available quantity 5000 | Dispo à partir de 02/2027 | Sold by 40 |
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Packaging
P28 A8
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Available quantity 4496 | Dispo à partir de 02/2027 | Sold by 28 |
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Characteristics of Zanthoxylum simulans
Zanthoxylum simulans has a broad, bushy habit and may develop into a small tree, reaching 4 to 6 meters high and up to 4 meters wide. Its spiny branches are a key identifying feature and require careful placement in landscape designs. The deciduous, compound foliage is strongly aromatic, releasing a lemony scent when crushed. Spring brings a discreet yellow-green flowering, followed by a highly ornamental fruit set: red capsules that split to reveal black seeds and aromatic husks used as Sichuan pepper. The plant displays high cold resistance, tolerating winter lows down to –15 °C or even –20 °C in well-drained soil and sheltered exposures, making it a solid choice for temperate climates.
How to use Zanthoxylum simulans ?
Zanthoxylum simulans suits various professional horticultural and landscape uses. As a specimen plant, it brings architectural form and seasonal interest thanks to its ornamental fruiting. In mixed borders or informal hedges, its spiny shoots, aromatic foliage, and red fruit capsules create texture, passive defense, and biodiversity benefits, attracting pollinators in spring. It is ideal in edible or aromatic gardens, where the dried fruit husks are harvested for culinary use. It can also be grown in large containers on terraces in sunny locations, provided winter protection is offered in cold climates. It is an efficient choice for integrating ornamental and functional value into structured or naturalistic plantings.
How to successfully grow Zanthoxylum simulans ?
To ensure successful establishment of Zanthoxylum simulans, plant it in deep, fertile, well-drained soil—ideally loamy, with neutral to slightly acidic pH. It thrives in full sun or light shade, with fruiting and vegetative vigor maximized under warm, sheltered conditions. Space plants 1.5 to 2 meters apart in hedges to allow for full structural development. Young plants require moderate irrigation during the first season; mature plants tolerate some drought. Mulching around the base is recommended to stabilize moisture and protect roots in winter. Light structural pruning in late winter maintains open branching and enhances future flowering and fruiting. Avoid excessive pruning, which may reduce yield.
