Dicentra formosa

Yes have this one also a bit of a pretty thug!!

Thug! that's a bit unfair, it just enlarges and enlarges. A good doer.

You see Dd, one man's meat is another man's poison!

It certainly flowers for a long time, but if I remember I think it goes into dormancy quite early too?

Yes you are right....it does too well here !!

Perhaps Homebird, it was still there under the ground!

Ah, if you got the peat ball out intact, probably you didn't water enough initially during a dry spell.