No I had not read that wonderful article.Thank you for alerting me to it. I am so grad to know about this breeding program for very cold-hardy roses that are also very disease-resistant. I hope that some of them can also take the hot (90 degree plus) summers that are common here in Pennsylvania. The only one of my four new cultivars chosen from Peter K.'s book that sailed through the summer without producing brown-edged flowers was Savannah. That one was recommended to Peter K. by someone in Texas. Are your summers somewhat more moderate than mine?
