Obtained as A.lilifolia, which I'm pretty sure it's not, and being offered by another as A.aurita (said to be from Roy Lancaster no less), the naming of Adenophora in the trade does seem unusually messy. Nevertheless a very pretty upright species of bellflower with conical violet blue bells in summer over a long period. The foliage is not at all coarse and it does not run underground (unlike some). Easy and adaptable.
1L pots ~ £5
A lovely small species with rounded creamy flowers (some with a purplish shading on the outside) through spring and summer. For a sunny or semi-shady site on any reasonably well-drained soil. This species is often offered as A.palmata, but that is a completely different species.
1L pots ~ £4