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Woolly Thistle

©Bruce Shortland

Woolly thistle

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Look for the round, cottony, purple flower heads of the Woolly thistle on chalk and limestone grasslands in summer. It is mainly found in Southern England.

Enw gwyddonol

Cirsium eriophorum

Pryd i'w gweld

July to September

Top facts

Stats

Height: up to 1.5m
Common.

Ynghylch

The Woolly thistle is a scarcer species of thistle that can be found on chalk and limestone scrub and grassland, especially in Central and Southern England; sometimes it can also be found on more disturbed ground, such as old quarries. Its cottony flower heads are distinctively round and appear from July to September. As with the other thistles, it is attractive to a wide range of insects.

What to look for

The globular, woolly flower heads of the Woolly thistle are unmistakeable. The flower head comprises reddish-purple florets (tiny flowers) on top of spiny bracts (leaf-like structures) that are covered in white wool. The stems do not have wings and the leaves are divided with spiny lobes.

Where to find

Mainly found in Central and Southern England.

Roeddech chi yn gwybod?

Although we might think of thistles as weeds, they can make a great addition to a wildlife garden, attracting butterflies, day-flying moths and bumblebees. Why not try planting some in a wilder area in your garden and see who comes to visit?