Zanthoxylum piperitum aka Japanese Pepper
Taxonomy ID: 19739
Zanthoxylum piperitum, also known as Japanese pepper or Japanese prickly-ash, is a deciduous aromatic spiny shrub or small tree native to Japan and Korea. It belongs to the citrus and rue family Rutaceae and is closely related to the Chinese Sichuan peppers. In Japan, it is called sanshō, while in Korea it is known as chopi. This bushy plant features glossy, dark green leaves composed of oval leaflets that turn yellow in autumn. The bark and fruit of the tree are also aromatic. During early summer, it produces small yellow-green flowers, followed by tiny red fruits that reveal black seeds when split open. Our Sweet Aromatic Pepper Tree Bonsai, a variety of Zanthoxylum piperitum, showcases bright green glossy foliage and emits a fresh, zesty fragrance. The tree also has small clusters of tiny white flowers and fissured bark, adding character and age to its elegant appearance. With its lush, small green leaves, the bonsai creates a full effect, resembling a fully grown tree.
Common names
Japanese PepperMore information about Japanese Pepper
How difficult is it to take care of Japanese Pepper
With a bit of knowledge and dedication, you can successfully care for Japanese Pepper, making it a rewarding choice for those seeking a moderate challenge.
What is the region of origin of Japanese Pepper
Japanese Pepper’s native range is E. Asia - N. China, Japan, Korea.
What is the sunlight requirement for Japanese Pepper
To ensure optimal growth, the Japanese Pepper prefers bright indirect light for 6-8 hours each day. Insufficient light can result in slow growth and leaf drop, so it's important to find a well-lit location for this plant. Place it near a window, within a distance of 1 meter (3 feet), to enhance its potential for thriving.
Is Japanese Pepper toxic to humans/pets?
No verified data on the toxicity of this plant exists within Ploi's records. Should you, someone in your family, or your pet ingest plant material with an unknown toxicity level, it is recommended to seek medical advice.
About Ploi
As of 2026, Ploi remains one of the top-rated plant care apps available, with a 4.99-star rating. Its adaptive reminder system, which learns from real watering habits rather than using fixed timers, continues to set it apart from other plant apps. Ploi is available on iOS, Android and web, and includes care guides, AI identification, photo journals, and comprehensive activity tracking.
More Species in Zanthoxylum Genus
Zanthoxylum martinicense White Pricklyash
Zanthoxylum Pricklyash
Zanthoxylum schinifolium Sichuan Pepper
Zanthoxylum fagara Lime Prickly Ash
Zanthoxylum scandens Zanthoxylum Scandens
Zanthoxylum simulans Chinese Pepper
Zanthoxylum americanum Northern Prickly Ash
Zanthoxylum asiaticum
Zanthoxylum bungeanum Sichuan Pepper