Zanthoxylum beecheyanum

Zanthoxylum beecheyanum, nicknamed Chinese Dwarf Pepper has small shiny leaves, arranged in a decorative palm, emitting an enchanting fragrance. It is highly sought after for its flavour and aroma, particularly appreciated in Asian cooking. With its bushy habit, this shrub captivates the eye with its light, fresh and shiny green foliage, subtly yellowish in hue. In October, the berry husks are harvested to be transformed into a powder with a fruity and lemony fragrance that will enhance your dishes. Under the sun, whether on a balcony or a terrace, it is best to place it at a height where you can fully enjoy the delicious citrus scents emanating from its foliage with the slightest touch. It is a drought-resistant, moderately hardy shrub, which needs protection from the cold. Appreciated by bonsai enthusiasts, this small shrub, with balanced proportions, is characterised by its very small leaves and distinctive bark, giving it a mature appearance from a young age.

Originally from temperate or subtropical Asian areas, Zanthoxylum beecheyanum (syn. Fagara alata var beecheyana) is widely spread from Japan to Vietnam. It belongs to the same family as citrus trees, the Rutaceae family, with which it shares a highly aromatic foliage. The few species that make up the Zanthoxylum genus are sometimes difficult to differentiate, often determined by the number of leaflets that make up the leaves or by morphological characteristics at the flower, thorn, or main vein level of the leaves... This small shrub is evergreen in subtropical regions but may lose part of its foliage in winter in our climates. It thrives in well-draining and sufficiently deep soil. Late frosts can, however, harm flowering and burn its young shoots. Only dense shade discourages this intrepid Chinese pepper.

With a strongly branched and woody base, this shrub has reddish upright stems that give it a compact and rounded silhouette. Its fairly rapid growth allows it to easily reach a height of 1.50 m with a spread of 1.20 m. The small, pinnate leaves are vibrant green and glossy, and emit a citrus fragrance when touched. Flowering occurs in May-June, earlier or later depending on the climate, on one-year-old branches, in the form of small cream-yellow and red flowers. After pollination, round, 2 to 4 mm in diameter, round and warty fruits form. In autumn, their fleshy envelope turns pink-red when ripe, opening to reveal black and shiny seeds. The berries, appreciated for their sweet and aromatic flavour, are used in oriental cooking under the common name of "Sichuan pepper". Self-fertile, it can produce on its own, but the berry yield will be higher if at least 2 plants are planted in the garden.

In cooking, the leaves of this pepper are appreciated for their powerful lemony flavour, adding a surprising touch to many dishes. In addition to its use as a condiment, these leaves are traditionally known for their therapeutic properties, particularly as an anesthetic for dental pain.

Cultivating the Chinese Dwarf Pepper, whether in the ground or in a pot, is surprisingly simple. To enjoy its delicate fragrance, it can be planted in a rock garden, at the edge of a flower bed, or in a container on a terrace. It thrives in fertile, non-calcareous soil to avoid chlorosis, and well-drained soil, avoiding any water stagnation. Its growth, although quite slow, remains constant. This plant prefers sunny or partially shaded areas and can tolerate moderate periods of drought during the summer and some frost during the winter. Its cold resistance is about -8/-10°C, as long as these conditions do not last long and are not combined with high humidity in the environment. Thanks to its constant, dense, and compact growth, Zanthoxylum beecheyanum easily adapts to pruning. It is appreciated for creating trimmed shapes or low, green, and fragrant hedges. Thanks to its Mediterranean behaviour, it offers many possibilities for associations with other shrubs such as Pittosporum tobira var. nana Mont Ventoux Snow, Myrtles, Rockroses, Olearia, Grevillea, or even Callistemons. In very mild regions this plant can be successfully integrated into a well-protected orchard, alongside Feijoa fruit trees (Acca), Mandarin trees, and Carissa macrocarpa (Natal Plum).