Marsh Thistle

Cirsium palustre

Physical Characteristics

Cirsium palustre is a BIENNIAL growing to 1.5 m (5ft) by 0.4 m (1ft 4in). See above for USDA hardiness. It is hardy to UK zone 4 and is not frost tender. It is in flower from July to September, and the seeds ripen from August to October. 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. 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 can grow in semi-shade (light woodland) or no shade. It prefers moist or wet soil. The plant can tolerate maritime exposure.

Distribution

Europe, including Britain, from Scandanavia south and west to N. Africa and W. Asia

Habitats

Woodland Garden Dappled Shade; Shady Edge; Meadow; Bog Garden;

Edible Uses

Edible Parts: Leaves Oil Shoots Stem Edible Uses: Oil Leaves and young shoots - raw or cooked[52, 100, 183]. Stems - raw or cooked like asparagus or rhubarb[4, 5, 12, 52, 105, 115]. The flower stalks are peeled and eaten raw or cooked[183].

Medicinal Uses

None known

Known Hazards

None known