- You Will Get 25 Seeds Of Szechuan Pepper Peppercorn Sichuan Szechwan Zanthoxylum Bungeanum Spice Vegetable Seeds. - Description: - Name: Szechuan Pepper. - Other Common Names: Sichuan Pepper / Szechwan Pepper / Chinese Pepper / Flatspine Prickly Ash / Sichuan Peppercorn / Chinese Coriander / Chinese Prickly Ash / Flatspine Ash. - Scientific Name: Zanthoxylum Simulans Syn. Zanthoxylum Bungeanum. - Color: Greenish Yellow Flowers / Reddish Brown Fruit. - Plant Seeds: Fall Sow Seeds Or Cold Stratify. - Bloom Time: Flowers May – June. - Harvest: Seeds Ripen In Oct. - Hardiness Zone: 5 – 9. - Plant Height: 15 - 20'. - Plant Spacing: 15 - 20'. - Light Requirements: Sun - Part Shade. - Soil & Water Preferences: Average.