"Martin Sykes" wrote
Agree with the others as to 2:Ceanothus and 3:London Pride

Yes, agree.

but 1 could be
all sorts of things at this stage. It looks like a clump-forming
perennial at least. The only thing I've got at the moment looking like
that is solidago ( Golden Rod ). But the leaves are a bit redder than
your image. A close-up of one piece may help.

Could it be a patch of some kind of campanula? Looks quite like my C.
persicifolia.

Sue