Guayule

Parthenium argentatum

Guayule

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Parthenium
Species:
Parthenium argentatum

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
3-4 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr, may, jun
Bloom Colors:
White, Yellow, Green
Landscaping Shrub:
Yes

Native Range

United States: Texas

Host Plant for Caterpillars

Black cutworm (Agrotis ipsilon), Fall webworm (Hyphantria cunea), Salt Marsh Moth (Estigmene acrea), Spotted Straw Moth (Heliothis phloxiphaga), Variegated cutworm (Peridroma saucia), zebra caterpillar moth (Melanchra picta)

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
7.0 - 8.5 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid regions, tolerates drought