Hardy roses : the essential guide for high latitudes and altitudes
"The classic guide fully updated and expanded with the addition of over 25 hardy rose cultivars. In Hardy Roses, author Bob Osborne shares his decades of experience raising roses without any chemicals in some of the coldest winters. Roses need not be intimidating and doomed to inevitable failure, regardless of the climate. With this indispensable guide, northern gardeners can enjoy that early snowstorm confident that their carefully tended roses...