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Summary
Physical Characteristics
Cirsium occidentale is a PERENNIAL growing to 1 m (3ft 3in).
See above for USDA hardiness. It is hardy to UK zone 9. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees, flies, Lepidoptera (Moths & Butterflies), beetles. The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil.
UK Hardiness Map
US Hardiness Map
Synonyms
Plant Habitats
Cultivated Beds;
Edible Uses
Edible Parts: Oil Root Stem
Edible Uses: Oil
Root - cooked[46, 61, 105]. A pleasant taste after prolonged boiling[161]. The root is likely to be rich in inulin, a starch that cannot be digested by humans. This starch thus passes straight through the digestive system and, in some people, ferments to produce flatulence[K]. Stem - peeled and eaten raw[61].
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
Oil
The seed of all species of thistles yields a good oil by expression[4]. No details of potential yields etc are given[K].
Special Uses
References More on Other Uses
Cultivation details
An easily grown plant, succeeding in any ordinary garden soil in a sunny position[200]. This species is not very frost hardy and is unlikely to succeed outdoors away from the mildest areas of Britain[200]. Closely related to C. coulteri[200], it hybridizes with that species in the wild[71].
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 early spring or autumn in situ. Germination usually takes place within 2 - 8 weeks at 20°c[164]. Division in spring or autumn.
Other Names
If available other names are mentioned here
Native Range
NORTHERN AMERICA: United States (Oregon, California, Nevada)
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
(Nutt.)Jeps.
Botanical References
71200
Links / References
For a list of references used on this page please go here
Readers comment
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Subject : Cirsium occidentale
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