Tuberous tender perennials
Everyone knows that you can overwinter Dahlias as a tuber. Today I have just
dug up Salvia patens, which I understand can be treated the same way. And so
can Verbena rigida I believe. Any suggestions of others. And is it critical
exactly when you do it. And what about bare root perennials - you see a lot
for sale. Is that the same thing?
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