The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.
Common Name: Prairie Sunflower
Helianthus petiolaris is a Annual up to 3.00 metres tall.
It has edible and medicinal uses.
Central to western N. America - Manitoba and Minnesota south to Arizona.
]. Dry prairies[
]. Dry open areas, usually sandy soils at elevations of 10 - 1500 metres[
Succeeds in most soils in a sunny position[
]. Requires a rich soil[
]. Dislikes shade[
]. Grows well on dry soils[
The young growth is extremely attractive to slugs, plants can be totally destroyed by them[
This species hybridizes in the wild with H. annuus[
Members of this genus are rarely if ever troubled by browsing deer or rabbits[
Seed - raw or cooked. An oily texture[
]. The seed can be ground into a powder and kneaded into seed butter[
The powdered leaves, either on their own or in an ointment, have been used as a dressing for sores and swellings[
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.