Saw a silver washed fritillary in the garden yesterday, now hunting dog violets in case it is looking for an ovipositing site...
They are fully to half hardy and should be grown in the sun or shade in well drained but moisture retentive soil; a few species prefer acid soil. They will appreciate shelter from the drying winds.
Propagate from seeds in late winter or early spring, or perennial species by division or from cuttings.
Pests, diseases or disorders
Protect from slugs and greenfly