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Common Name: Rosilla
Helenium puberulum is a Annual/Perennial up to 1.50 metres tall.
It has edible and medicinal uses.
South-western N. America - California and Baja California.
Moist meadows, marshes, slough banks etc, below 600 metres in California[
]. Along streams, ditches, seepage areas, around ponds and lakes, forests, woodlands, sea level to 1200 metres[
Grows well in ordinary garden soil[
], succeeding in most conditions other than boggy soils[
]. It prefers a fertile moisture retentive soil[
] in a sunny position[
]. Dislikes dry soil[
An annual or short-lived perennial, this species is not hardy in the colder areas of the country, it tolerates temperatures down to between -5 and -10°c[
Plants seem to be immune to the predations of rabbits[
A good bee and butterfly plant[
Leaves and flowering heads - raw[
The dried powdered plant has been applied to wounds and has also been rubbed onto the forehead and nose in the treatment of colds[
]. It has been used as a snuff[
]. The plant has also been used in the treatment of venereal disease[
Seed - sow spring in a greenhouse. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in early summer.
If you have sufficient seed it would be worthwhile trying a sowing in situ outdoors in mid to late spring.