It is native to North East Spain, Southern France and Italy.

It is found on rocky or sandy hillsides or in woodlands.

[1] It grows up to 30 cm (12 in) tall, with broad leaves (about 2.5 cm wide),[1] producing yellow or violet flowers in spring (March–April).

It prefers full sun, a slightly acid soil, and dry conditions during its dormant period in the summer.

In the UK it has gained the Royal Horticultural Society's Award of Garden Merit.