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USDA-NRCS PLANTS Database |
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| Clarence A. Rechenthin @ USDA-NRCS PLANTS Database |
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Summary
Physical Characteristics
Helenium amarum is a ANNUAL growing to 0.6 m (2ft). 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
Plant Habitats
Cultivated Beds;
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.
Antiphlogistic Expectorant
The plant is used to clear the nose of mucus[61]. (Is it used as a snuff?[K]) A decoction of the entire plant can be used in a sweat bath to treat dropsy and swellings[254].
References More on Medicinal Uses
Other Uses
References More on Other Uses
Cultivation details
Grows well in ordinary garden soil[1]. Prefers a fertile moisture retentive soil in a sunny position[200]. Dislikes dry soils[200]. Plants seem to be immune to the predations of rabbits[233]. A good bee and butterfly plant[30]. The whole plant is very aromatic[200].
References Carbon Farming Information and Carbon Sequestration Information
Temperature Converter
Type a value in the Celsius field to convert the value to Fahrenheit:
Fahrenheit:
Plant Propagation
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.
Other Names
If available other names are mentioned here
Native Range
NORTHERN AMERICA: United States (Indiana, Michigan, Pennsylvania, Kansas, Missouri, Oklahoma, Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, District of Columbia, Texas), Mexico (Chihuahua, Coahuila de Zaragoza) SOUTHERN AMERICA: Hispaniola, Cuba
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 :
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
(Raf.)H.Rock.
Botanical References
43200
Links / References
For a list of references used on this page please go here
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Subject : Helenium amarum
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