I have several plants(2nd year)which I planted along
my house in the most sheltered area I have. I didnt
cut them back last year-just mulched them well. This
year, the plants really shot out, vining up onto my
roof! Questions: should I prune them back? If so, now
or in the spring? Also, how do they spread? Your
suggestions will be appreciated
Kevin McCrindle, Waterloo, IA Zone 4b
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