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Guayule (Parthenium argentatum)
Family: Asteraceae or Compositae | Edibility: Edible (1/5)
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.
Edible Parts & Harvest Seasons
Edible Parts: Leaves
Harvest Seasons: Early Summer, Fall, Late Summer, Spring
Flavor & Culinary Uses
None known. — Harvested fresh in season according to PFAF botanical monograph.
Habitat & North American Range
Limestone ridges and highly calcareous soils in arid and semi-arid habitats. (Zone 7, Zone 8, Zone 9, Zone 10)