These seeds were collected from Zanthoxylum planispinum, also known as Winged Prickly Ash, and Bamboo-leaf Prickly Ash. This shrub likes to live in full sun to partial shade where it can grow up to about 15 feet tall and has yellow blooms in the spring. Sichuan pepper, a very popular spice in China and Nepal, is collected from this plant. Young leaves can be eaten as a vegetable. The seeds can be lightly roasted and ground into a fine powder, and this is one of the the spices in the famous Five Spice. This plant is not self fertile, so both male and female plants are needed if you want to have seeds. USDA Hardiness Zones 8 to 11.