Hercules' Club
Zanthoxylumclava-herculis

Family: Rutaceae (roo-TAY-see-ee)
Genus: Zanthoxylum (zan-THOK-sil-um)
Species: clava-herculis (KLAV-uh HER-kew-lis)

Category
Herbs
Trees

Water Requirements
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Deciduous
Smooth

Foliage Color

Height
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)

Spacing
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)

Hardiness
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Danger
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Mid Spring

Other details

Soil pH requirements
6.6 to 7.5 (neutral)

Patent Information
Non-patented

Propagation Methods

Seed Collecting