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Helianthus petiolaris - Nutt.
                 
Common Name Prairie Sunflower
Family Asteraceae or Compositae
USDA hardiness 4-8
Known Hazards None known
Habitats Sandy soils[43]. Dry prairies[235].
Range Central to western N. America - Manitoba and Minnesota south to Arizona.
Edibility Rating  
Other Uses  
Weed Potential Yes
Medicinal Rating  
Care
Fully Hardy Well drained soil Moist Soil Full sun

Summary

Helianthus petiolaris Prairie Sunflower


Clarence A. Rechenthin @ USDA-NRCS PLANTS Database
Helianthus petiolaris Prairie Sunflower
   
Physical Characteristics
 icon of manicon of flower
Helianthus petiolaris is a ANNUAL growing to 3 m (9ft 10in).
It is hardy to zone (UK) 4. It is in flower from Jul to September. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees, flies.Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil.

Synonyms

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


Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.

Salve.

The powdered leaves, either on their own or in an ointment, have been used as a dressing for sores and swellings[257].
Other Uses
None known
Cultivation details
Succeeds in most soils in a sunny position[1]. Requires a rich soil[1]. Dislikes shade[1]. Grows well on dry soils[200]. The young growth is extremely attractive to slugs, plants can be totally destroyed by them[K]. This species hybridizes in the wild with H. annuus[274]. Members of this genus are rarely if ever troubled by browsing deer or rabbits[233].
Propagation
Seed - sow in mid spring in situ. An earlier start can be made by sowing 2 - 3 seeds per pot in a greenhouse in early spring. Use a fairly rich compost. Thin to the strongest seedling, give them an occasional liquid feed to make sure they do not become nutrient deficient and plant them out in late spring or early summer.

Books by Plants For A Future

Other Names
Found In
Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status
IUCN Red List of Threatened Plants Status :
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Helianthus annuusSunflower, Common sunflower52
Helianthus doronicoides 20
Helianthus giganteusGiant Sunflower30
Helianthus laetiflorusShowy Sunflower, Cheerful sunflower20
Helianthus lenticularisWild Sunflower30
Helianthus maximilianiiMaximillian Sunflower, Maximillian Daisy30
Helianthus strumosusPaleleaf Woodland Sunflower21
Helianthus tuberosusJerusalem Artichoke41
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Author
Nutt.
Botanical References
43200235
Links / References
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Subject : Helianthus petiolaris  

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