Hello, I was interested in this thread as many people seem to be trying to grow hazelnuts in New Mexico and Colorado in cold climates. I live in Colorado at about 8000 ft and even though I can find information that suggests hazelnut and Hazelberts can survive to zone 3 or even 2 , I wondered how the high elevation might affect them? Also how do they handle last season frost as our growing season can be quite short some years.
