The thing I learned about peaches and cold is that it is not so much that the cold kills the tree -although, for sure, it will do so at certain zones and temps. It is more an issue that the frosts and freezes kill the blossoms. Seems that most years the trees come through just fine - nice and leafy but there are no peaches on them. What the Reliance does is hold a very tight bud which it opens late in the season after the last frost has passed hence it can bear fruit. Of course, when we start talking zone 3, now we are talking REALLY cold so I am guessing the tree goes as well. Peaches are very troublesome trees in the first place, anyway. They are extremely disease prone and need a whole lot of care. The, they are short-lived trees in any event. Yes, the peaches taste great but there is proportionately much more work involved. We put in a whole stone orchard in 2007 - peaches, plums, necatrines, apricots, cherries. As the peach and apricot trees die off, we are replacing them with pears which I grafted. Overtime, I guess, it will become a pear orchard. Plums are fairly hardy but very, very disease prone, as well. They too take a whole lot of work. Cherries are fine - hardy and no disease problems to speak of - BUT the birds will beat you too them every year. The trees are literally loaded with cherries then come the blackbirds who set up camp and take over. Next year we are putting up bird balloons on each tree. This year, the birds started eating every single berry in the blueberry patch - left not even one for us. Then, we got the bird balloons and they did the trick! Birds are scared to death of them and we got plenty of blueberries thereafter. The bird balloons move around in the wind and they do look scarey enough.
Well, it is challenging for those of us in the more northern regions of the country. I have my hands full with 5B and I know you guys have it worse with 3 and 4. Yikes, that is cold, alright. So here is what I want to know. WHERE is all of this global warming which Al Gore "promised" us. Damn if I've seen any of it around these parts. It is colder than ever around here with early and late freezes fall and spring.
PS Don't forget to ride your bicycle to work while Al Gore uses enough electricity in his personal residence to power a small city. Do as I say, not as I do, eh.