Hercules' club is a spiny tree or shrub from the southeastern United States, grown in warm climates for its spiny bark and attractive pinnate leaves. It needs full sun and plenty of water, and it is a host plant for the Giant Swallowtail butterfly.
Family
Rutaceae (Citrus family)
Grows as
Tree, Shrub
Light
Full sun
Water
Water regularly while establishing, then moderately; it needs plentiful water in the source habitat.
Soil
Well-drained, moist soil; tolerant of a range of soil types.
Temperature
18–32 °C; protect from frost, as it is best suited to subtropical climates.
How easy
Moderate
Native range
C. & SE. U.S.A. to E. Mexico
Climate
subtropical
About
Zanthoxylum clava-herculis, the Hercules' club, Hercules-club, pepperwood, or southern prickly ash, is a spiny tree or shrub native to the southeastern United States.
Safety
The benzophenanthridine alkaloid chelerythrine is the major active natural product found in Z. clava-herculis, exhibiting anti-bacterial activity against Staphylococcus aureus.
Where it grows
The tree has a rounded crown and requires plentiful water and sunlight. Its leaves are browsed by deer and its fruit is eaten by birds.
Text excerpted from the Wikipedia article Zanthoxylum clava-herculis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.