← Back to EdibleID Field Catalog
Prairie Dockm (Silphium terebinthinaceum)
Family: Asteraceae or Compositae | Edibility: Edible (1/5)
Silphium terebinthinaceum is a PERENNIAL growing to 1.5 m (5ft) by 1 m (3ft 3in). See above for USDA hardiness. It is hardy to UK zone 4. It is in flower from July to August, and the seeds ripen in August. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils.
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
Prairies, dry woods and glades. (Zone 4, Zone 5, Zone 6, Zone 7, Zone 8)