Whoops, sorry - that should be Hydrangea macrophylla or big leaf hydrangea
bloom on OLD wood. :-))

pam



"Pam - gardengal" wrote in message
news:VaF1d.191777$Fg5.123128@attbi_s53...
Bigleaf hydrangeas (H. macrophylla) are marginally hardy in zone 6 and
typically not hardy in zone 5 without winter protection. These do bloom on
new wood and the new growth that developed this season must be protected
from freezing in order to enjoy any flowering.