Tree Roses consist of large heavy understocks with bush cultivars or varieties budded onto them several feet above the ground surface. These roses are semi-hardy in most cases and may require winter protection. Tree roses are useful for accent and specimen purposes but seldom prosper in western Oklahoma. The foregoing roses have an average of five leaflets per leaf, while the following rose species have seven or more leaflets per leaf. Healthy roses produce the maximum number of flowers.
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