Zanthoxylum simulans
Common name(s): Sichuan pepper
Description: a low-maintenance, deciduous shrub with thorned branches and glossy green leaves. Produces edible fruit husks in late summer.
Height: to 6 ft. Spread: to 3 ft.
Position: full sun, tolerant of poor, dry soil
Uses: ground peppercorns are used in multiple cuisines and are an essential ingredient in Chinese five-spice powder, ornamentally popular for bonsai.
Winter Hardiness: to 5 F and possibly lower