Pulsatilla alpina subsp. sulphurea is an herbaceous perennial that reaches 0.15–0.3 metres and is adapted to exposed, alpine conditions. It flowers in spring from March to May. The plant prefers well-drained, rocky or sandy soils on a south-facing site and tolerates neutral to alkaline pH. Take care when handling, as ingestion can cause mild stomach upset and gloves are advised.

Parsley-leaved pasqueflower (Pulsatilla alpina subsp. sulphurea) flowers March to May and suits sunny, well-drained rock or alpine garden sites.

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

Pulsatilla is a genus that contains about 40 species of herbaceous perennial plants native to meadows and prairies of North America, Europe, and Asia. Common names include pasque flower, wind flower, prairie crocus, Easter flower, and meadow anemone.

Pulsatilla alpina subsp. sulphurea

Parsley-leaved pasqueflower | Pulsatilla alpina subsp. sulphurea

A perennial in the buttercup family, Pulsatilla vulgaris 'Budapest' bears early spring purple flowers from March to May. It stays low, reaching about 0.2 m, with softly hairy, silver-grey foliage. Plant in a sunny, well-drained spot on neutral to alkaline sandy or loamy soil; it is fully hardy (H7) but toxic if ingested.

Budapest Pasqueflower (Pulsatilla vulgaris 'Budapest') blooms March to May and suits sunny, well-drained neutral to alkaline soils in rock and alpine.

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

Pulsatilla vulgaris 'Budapest'

Budapest Pasqueflower | Pulsatilla vulgaris 'Budapest'

Pulsatilla vulgaris 'Mrs Van der Elst' is a low-growing perennial in the buttercup family (Ranunculaceae) that flowers in spring from March to May. It forms compact clumps around 0.2 m high and prefers full sun on sandy or loamy, well-drained soils with a neutral to alkaline pH. Fully hardy (H7; roughly USDA 4–8), it suits sunny aspects in rock gardens and borders but is toxic if ingested.

Pasqueflower 'Mrs Van der Elst' is a low, fully hardy perennial for sunny, well-drained neutral to alkaline soils, flowering March to May.

Pulsatilla vulgaris 'Mrs Van der Elst'

Pasqueflower 'Mrs Van der Elst' | Pulsatilla vulgaris 'Mrs Van der Elst'

Pulsatilla vulgaris 'Pulsar White' is a clump-forming herbaceous perennial in the buttercup family that provides a concentrated spring display. It is deciduous and produces its flowers in the spring months of March to May. Plant in full sun on well-drained chalk, loam or sandy soils of any pH, in a south-, east- or west-facing position. It is classed H5 (hardy) and is suited to rock, alpine and gravel beds as well as patio containers.

Pulsatilla vulgaris 'Pulsar White' is a clump-forming pasque perennial for full sun and well-drained chalk or sandy soils, flowering March to May.