The theme of the pruning of roses è much debated. Even enthusiasts compete in long and fiery discussions, on and off the web, to defend those who pruning and those who need it; not to prune. All roses, however, depending on their behavior, may need pruning. Whether it is mild or drastic, it depends on the behavior of the roses themselves. Old roses also need to be pruned.
Ancient roses include varietiesà which bloom on the branches of the 26-rsquo; year and varietiesà which bloom on the branches of the previous year. This behavior affects the period of pruning. Before intervening, però ;, it is necessary to understand whyé you prune. All plants, including roses, renew themselves by letting unproductive parts die and fall. Old roses are pruned in the same way: to help them get rid of the parts that no longer bloom. What are these parts? Branches that are too thin or damaged, those that do not produce più flowers and those that rubbing l’ one with l’ other tend to injure the plant by carrying parasites and diseases.
Old roses that bloom during the 26th year are pruned in spring, as soon as the buds swell, those that bloom on the branches of the previous year are pruned after flowering, in July. To avoid drastic and harmful pruning for the plant, it is advisable to choose old roses with a growth proportionate to the space where they will be grown. In fact, there are ancient roses that grow no more than thirty centimeters and others that reach several meters.
Pruning also varies according to the varietyà yes old rose. Bourbon roses and perpetual hybrids are pruned every winter. Pruning può be avoided in case of cultivation on large spaces. The main branches should be shortened by a third, while the secondary ones, by two thirds. Wrinkled roses are pruned very little, to keep their shape unchanged. Only the pruning of the first year canò be più drastic. The Alba rose, the Centifolia rose and the Damascena rose, varietyà ancient with single flowering, should be pruned at the end of flowering, ieè in July. These roses in fact bloom on the branches of the previous year. Some interventions è also allowed during l’ winter, but only to remove too old branches. Re-flowering Portland roses are pruned during the dormant season and sprouted slightly in summer. Non-re-flowering botanical roses are always pruned after flowering, in July, while re-flowering ones, on the other hand, must be treated at the end of the 26-rsquo; winter.