Need advice for these rescued Spirea

[Patience is an Art]

I had to dig up these two Spirea, thanks to a groundhog digging a hole right through them last year. So far I’ve just potted as is, as I was being chased by a thunderstorm. Should I just leave them like this till next Spring? Clean them up a bit? As you can see there is quite a bit of growth at the base, but there is growth coming further up on the smaller trunk of the big one. I would guesstimate these are about 15 years old.

 

[Forsoothe!]

They are twiggy and it will take forever to build architecture with any taper. Don't let it grow billions of twigs in clumps. Select one as a branch in the right place and Xacto knife all other buds and future crotch buds. Only chop back to foliage in season, or expect the branch/twig to die in winter. Not because they are so tender, but because they favor newer buds/twigs. All this makes it difficult to grow the branches long enough to fatten up and to be cut back to within a canopy limit. Foliage tends to be clustered at terminal ends of branches/twigs. Expect that and design for it.