Prairie Sunflower

Helianthus petiolaris

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Basic Information

Family: Asteraceae or Compositae

Genus: helianthus

Plant ID (slug): helianthus-petiolaris

Numeric ID: 880

USDA Hardiness: 4-8

Ratings

Edible Rating: ★★☆☆☆

Medicinal Rating: ★☆☆☆☆

Other Uses Rating: ☆☆☆☆☆

Physical Characteristics

Helianthus petiolaris is a ANNUAL growing to 3 m (9ft 10in). See above for USDA hardiness. It is hardy to UK zone 4. It is in flower from July to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies. 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. It cannot grow in the shade. It prefers dry or moist soil.

Distribution

Central to western N. America - Manitoba and Minnesota south to Arizona.

Habitats

Cultivated Beds;

Edible Uses

Edible Parts: Seed Edible Uses: Seed - raw or cooked. An oily texture[161, 177]. The seed can be ground into a powder and kneaded into seed butter[257].

Medicinal Uses

Salve The powdered leaves, either on their own or in an ointment, have been used as a dressing for sores and swellings.

Known Hazards

None known

Detailed Information

Additional Information

Title: Helianthus petiolaris Prairie Sunflower PFAF Plant Database

Meta Description: Helianthus petiolaris is a ANNUAL growing to 3 m (9ft 10in). See above for USDA hardiness. It is hardy to UK zone 4. It is in flower from July to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies. 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. It cannot grow in the shade. It prefers dry or moist soil.