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How to prune roses on a trellis
Figure out whether your roses are once blooming or repeat blooming.
Roses come in two different varieties-roses that bloom once a year, and those which have a continuous showing throughout the summer months. The variety you have will make a difference to your pruning methods.
Options are:
[1]. If your rose is flowering and has new flowers bearing fruit, it is most likely blooming. If they are no longer flowering and the blossoms are wilting, it is a sign that the rose is going dormant.
[2]. Cut back your rose's bud length to between two or three buds. This will help the pruning process take longer.
[3]. Ask a caretaker or at your local nursery if they know any harvesting regulations about the species of rose. Roses that bloom more than once should be pruned.
[4]. Before you go about pruning your rose, it's helpful to know which kind you have. If you're not sure, know that roses with flexible canes and blooms from older growth are typically once blooming.
[4].