I have heard, and not accidentally, roses being compared to weeds because of their resilience. Many roses can survive severe northern winters, so starting from zone 6, almost no winter protection or only slight winter protection is necessary. Only, if you are an ambitious gardener in zone 6, or below who grows the fore-fathers of hybrid teas, noisettes and tea roses, which often are less winter hardy, their winterizing has to be more thorough. Most modern roses are grafted onto a rootstock. The desirable variety is above the soil surface, and the rootstock was chosen for hardiness or vigor...
More..milda
Member since: January 2008
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