Cirsium sieboldii -

Family:	Compositae
Habit:	Perennial
Height:	0.9
Synonyms:
Range:	E. Asia - Japan.

Cirsium sieboldii () is a Perennial which grows to a height of 0.9m . It has a hardness rating of 0.
Cirsium sieboldii will flower in February to April. the seeds ripen from March to May
The flowers from this plant are hermaphrodite (has both male and female organs) and they are pollinated by Bees, flies, lepidoptera, beetles, self

Soil Information

Cirsium sieboldii will grow in light (sandy),medium (loamy),hard (clay) soil. It is not necessary for the soil to be well drained.
The soil prefers the following PH / acid levels :
- pH of less than 6, Acidic soils
- pH between 6 and 8, Neutral soils
- pH greater than 8, Basic soils
Cirsium sieboldii prefers soils

Ideal Planting Locations

Cirsium sieboldii should not be planted in shady areas.

Wet places in lowland by rivers and streams, C. and S. Japan[58].

Planting places suited to this plant described below.

• A bog garden plant

Cultivation Details

We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in many parts of this country. The following notes are based on the general needs of the genus. An easily grown plant, succeeding in any ordinary garden soil in a sunny position[200].

Edible Uses*

* See disclaimer
Edible Rating: 1/5
Root - cooked[105, 177]. The root is stout with well developed rhizomes[275]. It 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]. Young plant - cooked[105, 177].

• Leaves -
• Root - includes bulbs, corms, tubers, rhizomes etc.

Medicinal Uses*

* See disclaimer
Medicinal Rating: 0/5
None known

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.

Known Hazards

None known

Other Uses

The seed of all species of thistles yields a good oil by expression[4]. No details of potential yields etc are given[K].

• Oil - Vegetable oils have many uses, as lubricants, lighting, soap and paint making, waterproofing etc. This does not include the edible oils unless they are also mentioned as having other uses.

Cultivars

no recorded cultivars

References

Flora of Japan. (English translation)
Ohwi. G.
Author: Ohwi. G.
Rating:
Publisher : The standard work. Brilliant, but not for the casual reader.
Date of Publication : 1965

Flora of Japan

Author:
Rating: www.foj.info
Publisher : An on-line version of the flora - an excellent resource.
Date of Publication : 0

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