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Marsh Thistle Cirsium palustre 

 
 
Attracts BeesBees are attracted to this plant
Attracts ButterfliesButterflies are attracted to this plant
Attracts HoverfliesHoverflies are attracted to this plant
Biennial Life CycleBiennial life cycle
Daisy-Like FlowersDaisy-like flowers
Purple FlowersPurple flowers
Many PetalsMany petals
Jul-Sep Flowering
period
Lobed LeavesLobed leaves
Spiny-Edged LeavesSpiny-edged leaves
Ribbed StemRibbed stem
Tap RootTap root
150cmMaximum height
 
 
  Main image of Marsh Thistle

© 2020-2025 Adrian Briggs

 

Marsh Thistle is a native biennial plant of the UK, typically found growing in wet grassland and woodland, to a mature height of up to 150cm.

Marsh Thistle is distinguished from other thistles by its dense clusters of small scaly green flowerheads, each with a wide tuft of long purple ray flowers.

Botanic classification and naming: Marsh Thistle is a member of the Daisy (Asteraceae) family. The genus name 'Cirsium' identifies the plant as a Thistle and its species name 'palustre' means 'marsh-loving plant'.

 
Flower of Marsh Thistle

© 2021 Adrian Briggs

 

Flowers:
Marsh Thistle usually flowers between July and September.

Flower colour:

Flower Colour Purple

Purple

Flower shape:

Flower Shape  Daisy-like

Daisy-like

Petals:

Petal Number =  Many

Many

Leaf of Marsh Thistle

© 2021 Adrian Briggs

 

Leaves:

Leaf Shape:

Leaf Shape is Lobed

Lobed

Leaf Margins:

Leaf Margin is spiny

spiny

Stem of Marsh Thistle

© 2021 Adrian Briggs

 

Stem and Roots:

Stem shape:

Stem Shape is Ribbed

Ribbed

Root type:

Root Type is Tap

Tap