my dahlias did spectacularly well in a large pot from late spring until mid august, I did not stake them. now they have fallen over. how far back can I prune them. also the tuber is about half above ground. should I bury it? Reply
my dahlias did spectacularly well in a large pot from late spring until mid august, I did not stake them. now they have fallen over. how far back can I prune them. also the tuber is about half above ground. should I bury it?