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Summary
Bloom Color: Brown, Orange, Red, Yellow. Main Bloom Time: Early fall, Late summer. Form: Upright or erect.
Physical Characteristics
Helenium autumnale is a PERENNIAL growing to 1.8 m (6ft) by 0.5 m (1ft 8in) at a fast rate.
See above for USDA hardiness. It is hardy to UK zone 3. It is in flower from August to October. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, Lepidoptera (Moths & Butterflies).
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Habitats
Woodland Garden Sunny Edge; Bog Garden;
Edible Uses
References More on Edible Uses
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.
Alterative Cancer Laxative Sternutatory
The dried nearly mature flower heads are used in a powdered form as a snuff to treat colds and headaches[207, 222, 257]. When made into a tea they are used in the treatment of intestinal worms[222]. The powdered leaves are sternutatory[222, 257]. An infusion of the leaves is laxative and alterative[207]. An infusion of the stems has been used as a wash in the treatment of fevers[257]. The plant contains helenalin, a compound that has shown significant anti-tumour activity[222].
References More on Medicinal Uses
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Other Uses
Insecticide
The plant contains helenalin, a compound that has insecticidal properties, though it is also toxic to fish and worms[222].
Special Uses
Attracts Wildlife
References More on Other Uses
Cultivation details
Landscape Uses:Border, Container, Foundation, Massing, Seashore. Grows well in ordinary garden soil[1, 111], succeeding in most conditions other than boggy soils[233]. It prefers a fertile moisture retentive soil[200] in a sunny position[108, 111]. Dislikes dry soil[200]. Plants seem to be immune to the predations of rabbits[233]. A good bee and butterfly plant[30]. A very ornamental plant[1], some named forms have been selected for their ornamental value[187]. Special Features:
North American native, Naturalizing, All or parts of this plant are poisonous, Wetlands plant, Attracts butterflies, Suitable for cut flowers, Suitable for dried flowers.
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
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Propagation
Seed - sow spring in a greenhouse. 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. If you have sufficient seed it might be worthwhile trying a sowing in mid to late spring in situ outdoors[111]. Cuttings of soft wood from the base of the plant, June/July in a frame. Basal cuttings in spring[200]. Harvest the shoots when they are about 10 - 15cm long with plenty of underground stem. Pot them up into individual pots and keep them in light shade in a cold frame or greenhouse until they are rooting well. Plant them out in the summer. Division in spring or autumn[111]. This needs to be done fairly regularly because the clumps soon become congested[233]. 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.
Other Names
If available other names are mentioned here
Found In
Countries where the plant has been found are listed here if the information is available
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 :
Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.
Expert comment
Author
L.
Botanical References
43200
Links / References
For a list of references used on this page please go here
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Subject : Helenium autumnale
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