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Re: cordylines and cool summers
Posted by George in Bandon Oregon on 5/26/2017, 11:47 am, in reply to "Re: cordylines and cool summers"
and I suspect that you are quite right---they can tolerate a certain amount of heart but they cannot tolerate the combination of heat AND humidity that the eastern u.s. has (rather like new Zealand flax). OTOH, various yuccas, nolinas, and dasylirions may have a rather similar look with more tolerance of summer heat and moisture (if drainage is good).
the upper southern oregon coast
USDA zone 9a (Sunset zone 5)
DRY cool summers and WET cool winters
grow eucalyptus, banksias, telopeas, grevilleas, bottlebrush, mexican pines and oaks