Moisture retentive soil
Well drained soil
Lilac pink thistle-like flowers appear during spring and summer. The leaf shape varies on the plant - the leaves on the stems are more divided than the lance-shaped leaves which form a basal rosette.
'Trevor's Blue Wonder' is not truly blue, in fact it has light purple flowers during late spring and early summer. This clump-forming thistle-like perennial has divided, spineless foliage which ...