Tuberous Thistle is a native perennial growing 20-35 cm in height and produces loose clusters of flowers between June and August. Unlike most thistles it tends to grow within rather than above grassy swards and provides a rich nectar source for grassland invertebrates.
|Wildlife Value Rating|
|Provenance||VC41 Glamorgan (Vale of Glamorgan)|
|Associations||The 'Biological Records Centre’s' website lists the following numbers of foodplant associates for Tuberous Thistle: beetles (2) and moths (1). However, the genus Cirsium as a whole, lists the following: beetles (35), flies (21), bugs (14), moths (34) and thrips (3).|