Re: Hot colour iris performance in UK
At the risk of being lambasted (?) on the this subject, I must
butt in here *just* to say that USDA Zones 6 & 7 are not what
I would designate *cold* climates re hybridizing.
USDA Zones of 3, 4 and 5 are the *coldish* zones.
There is a great deal of difference between PA, VA and Maine or
even Northern New Hampshire where we had another 18" of heavy, new
snow last night and it is freezing cold out. :-(
Lancaster, New Hampshire, USA
Maine Iris Society, Iris-l