Succisa pratensis, known as devil's-bit scabious or simply devil's-bit, is a flowering plant in the honeysuckle family Caprifoliaceae, formerly included in the teasel family Dipsacaceae. It is common throughout northern Europe and western Asia in heathland, unimproved damp grassland and chalk or limestone grassland, where it is restricted to nutrient-poor soils.

Succisa pratensis, or devil's-bit scabious, blooms in full sun to partial shade and thrives in wildlife gardens and wildflower meadows with RHS hardiness H7.

https://en.wikipedia.org/wiki/Succisa_pratensis

Succisa pratensis

Succisa pratensis 'Nana' is a clump-forming cultivar of the genus Succisa, which consists of rhizomatous perennial herbs with simple, obovate foliage. This deciduous plant thrives in full sun or partial shade and is suited to a variety of soil types, including chalk, clay, loam, and sand, provided the soil is moist but well-drained. Hardy to UK zone H7, it is ideal for wildlife gardens, cottage and informal gardens, and wildflower meadows. 'Nana' is best appreciated in spring and summer, growing well in both exposed and sheltered south-, west-, or east-facing aspects.

Succisa pratensis 'Nana' is a hardy, clump-forming perennial with obovate foliage, ideal for wildlife gardens and wildflower meadows in spring and summer.