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Cirsium occidentale - (Nutt.)Jeps.

Common Name Cobwebby Thistle, Snowy thistle, Compact cobwebby thistle
Family Asteraceae or Compositae
USDA hardiness 8-11
Known Hazards None known
Habitats Sandy places by the coast and into the nearby hills[71].
Range South-western N. America - S. California.
Edibility Rating    (2 of 5)
Other Uses    (2 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Half Hardy Well drained soil Moist Soil Full sun
Cirsium occidentale Cobwebby Thistle, Snowy thistle, Compact cobwebby thistle


http://commons.wikimedia.org/wiki/User:Eric_in_SF
Cirsium occidentale Cobwebby Thistle, Snowy thistle, Compact cobwebby thistle
http://commons.wikimedia.org/wiki/User:Wingchi

 

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Summary


Physical Characteristics

 icon of manicon of flower
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

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

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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:

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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 Plant Search

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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 :

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Cirsium nipponicum Perennial1.5 -  LMHNM112
Cirsium ochrocentrumYellow Spined ThistlePerennial1.5 0-0  LMHNDM222
Cirsium oleraceumCabbage ThistlePerennial1.2 -  LMHSNMWe202
Cirsium oligophyllum Perennial1.0 -  LMHNM202
Cirsium pallidumPale ThistlePerennial0.0 -  LMHNM112
Cirsium palustreMarsh ThistleBiennial1.5 4-8  LMHSNMWe202
Cirsium pectinellum Perennial1.5 -  LMHNM102
Cirsium pendulum Biennial1.8 -  LMHNM102
Cirsium purpuratum Perennial1.0 -  LMHNM102
12

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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Author

(Nutt.)Jeps.

Botanical References

71200

Links / References

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Subject : Cirsium occidentale  
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