Guayule
Partheniumargentatum

Family: Asteraceae (ass-ter-AY-see-ee)
Genus: Parthenium (par-THEN-ee-um)
Species: argentatum (ar-jen-TAY-tum)

Category
Shrubs

Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Grown for foliage
Herbaceous

Foliage Color
Bronze

Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Hardiness
USDA Zone 7a: to -17.7 °C (0 °F)
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)

Where to Grow

Danger

Bloom Color
Pale Yellow
Green
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Mid Spring

Other details

Soil pH requirements

Patent Information

Propagation Methods

Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Allow seedheads to dry on plants; remove and collect seeds