Guayule

Parthenium argentatum

Physical Characteristics

Parthenium argentatum is an evergreen Shrub growing to 1 m (3ft 3in). See above for USDA hardiness. It is hardy to UK zone 8. It is in leaf all year. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects, wind, Apomictic (reproduce by seeds formed without sexual fusion). The plant is self-fertile. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils and can grow in very alkaline soils. It cannot grow in the shade. It prefers dry soil and can tolerate drought.

Distribution

South-western N. America - Mexico to Texas.

Habitats

Woodland Garden Sunny Edge; South Wall. By. West Wall. By.

Edible Uses

None known

Medicinal Uses

None known

Known Hazards

None known