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Cirsium foliosum - (Hook.)DC.
                 
Common Name Elk thistle
Family Asteraceae or Compositae
USDA hardiness 5-9
Known Hazards None known
Habitats Swales and other moderately moist and badly drained sites[60]
Range N. America - Montana to Saskatchewan.
Edibility Rating  
Other Uses  
Weed Potential Yes
Medicinal Rating  
Care
Fully Hardy Moist Soil Wet Soil Full sun

Summary

Cirsium foliosum Elk thistle


Margaret Williams @ USDA-NRCS PLANTS Database
Cirsium foliosum Elk thistle
Margaret Williams @ USDA-NRCS PLANTS Database
   
Physical Characteristics
 icon of manicon of flower
Cirsium foliosum is a PERENNIAL growing to 0.6 m (2ft).
It is hardy to zone (UK) 6. It is in flower from Jul to August, and the seeds ripen from Aug to September. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees, flies, lepidoptera, beetles, self.The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It prefers moist or wet soil.

Synonyms
C. drummondii. Torr.&Gray.

Habitats
 Bog Garden; Cultivated Beds;
Edible Uses
Edible Parts: Leaves;  Oil;  Root;  Stem.
Edible Uses: Oil.

Root - cooked[61, 85, 105, 161]. About the size of a carrot, they are sweet and well-flavoured though require long preparation[207]. 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]. Plant crown[85]. No more details are given. Stems - peeled[161]. The peeled stems are a sweet potherb[207]. Tender with a sweet delicate taste212].
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
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].
Cultivation details
An easily grown plant, succeeding in any ordinary garden soil in a sunny position[200]. This species should tolerate wet soils[K].
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
Leafy thistle, foliose thistle, elk thistle, or Evert's Thistle, Drummond's thistle, meadow thistle
Found In
Canada, North America, USA.
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.

Cirsium foliosum can be weedy or invasive. A noxious weed in the US in Arkansas and Iowa.
Conservation Status
IUCN Red List of Threatened Plants Status : This taxon has not yet been assessed.
Related Plants
Latin NameCommon NameEdibility RatingMedicinal Rating
Cirsium acaulonStemless Thistle01
Cirsium amplexifoliumDakiba-Hime-Azami10
Cirsium arvenseCreeping Thistle, Canada thistle22
Cirsium brevicaule 10
Cirsium brevistylumIndian Thistle, Clustered thistle30
Cirsium buergeri 10
Cirsium chinense 10
Cirsium coreanum 10
Cirsium dipsacolepis 10
Cirsium eatoniEaton's Thistle11
Cirsium eduleEdible Thistle30
Cirsium eriophorumWooly Thistle20
Cirsium hookerianumWhite Thistle20
Cirsium japonicumNo-Azami, Japanese thistle22
Cirsium kamtschaticumKamchatka thistle10
Cirsium lepskyle 10
Cirsium lineare 10
Cirsium maackii 10
Cirsium maritimum 10
Cirsium nipponicum 11
Cirsium occidentaleCobwebby Thistle, Snowy thistle, Compact cobwebby thistle20
Cirsium ochrocentrumYellow Spined Thistle22
Cirsium oleraceumCabbage Thistle20
Cirsium oligophyllum 20
Cirsium pallidumPale Thistle11
Cirsium palustreMarsh Thistle20
Cirsium pectinellum 10
Cirsium pendulum 10
Cirsium purpuratum 10
12
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Expert comment
 
Author
(Hook.)DC.
Botanical References
60200
Links / References
For a list of references used on this page please go here
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Subject : Cirsium foliosum  

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