Helianthus hirsutus is a perennial sometimes as much as 200 cm (almost 7 feet) tall, spreading by means of underground rhizomes. Leaves and stems are covered with stiff hairs. One plant can produce 1-7 flower heads, each with 10–15 yellow ray florets surrounding 40 or more yellow disc florets. It is in flower from Sep to October. 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 moist soil. The species grows in sunny locations in open forests or along the edges of forests.
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Succeeds in most soils in a sunny position. Requires a rich soil. Dislikes shade. Prefers a moist soil. The young growth is extremely attractive to slugs, plants can be totally destroyed by them. Members of this genus are rarely if ever troubled by browsing deer or rabbits. Plants have a running root system and can be invasive.
Seed – sow spring in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Division in spring or autumn. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.
Edible Uses: Root. No more details but it is probably used raw or cooked like the Jerusalem artichoke.
Medicinal Uses:A decoction of the roots has been used to get rid of worms in both adults and children. An infusion of the roots has been used in the treatment of lung problems. The sunflower has many common uses. Indians applied the crushed root to bruises. The seeds have been used to increase urine flow and to clear phlegm. A decoction of the roots has been used to get rid of worms in both adults and children. An infusion of the roots has been used in the treatment of lung problems
Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.