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Summary
Physical Characteristics
Helianthus decapetalus is a PERENNIAL growing to 1.2 m (4ft) by 1.2 m (4ft in) at a medium rate.
See above for USDA hardiness. It is hardy to UK zone 3.
It is noted for attracting wildlife.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid and neutral soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
No synonyms are recorded for this name.
Plant Habitats
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.
None known
References More on Medicinal Uses
Other Uses
Cut Flowers or Dried Flowers. Invertebrates shelter: beneficial for insects and other arthropods. Nectary: provides nectar or pollen for beneficial insects [1-2].
Special Uses
Food Forest
References More on Other Uses
Cultivation details
An attractive upright rhizomatous perennial wildflower. Prefers partial sun or dappled sunlight, moist to mesic conditions, and a rich loamy soil. Like other perennial sunflowers, this species may spread aggressively in some situations. Time to full growth: 2 to 5 years. For polyculture design as well as the above-ground architecture (form - tree, shrub etc. and size shown above) information on the habit and root pattern is also useful and given here if available. The plant growth habit is a runner spreading indefinitely by rhizomes or stolons [1-2]. The root pattern is rhizomatous with underground stems sending roots and shoots along their length [1-2].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
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Plant Propagation
Other Names
If available other names are mentioned here
Ten petaled sunflower, thinleaf sunflower, thin-leaved sunflower
Native Range
NORTHERN AMERICA: Canada, Québec (south), Ontario (southeast), United States, Connecticut, Indiana, Maine, Massachusetts, Michigan (south), New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Illinois, Iowa, Missouri, Oklahoma, Wisconsin, Alabama, Arkansas, Delaware, Georgia, Kentucky (east), Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, District of Columbia,
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.
This species may spread aggressively in some situations.
Conservation Status
IUCN Red List of Threatened Plants Status :
IUCN Red List
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.
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Expert comment
Author
L.
Botanical References
Links / References
For a list of references used on this page please go here
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Subject : Helianthus decapetalus
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