Roses
Q.

deadheading roses/light pruning

Zone Batchelor, Louisiana | Anonymous added on August 8, 2019 | Answered

I have 2 roses bushes planted last spring; one appears to be a climbing rose, and the other a tall multi-blossom (flora bunda ?) Both have some blackspot leaves here and there but otherwise appear to be healthy. Should I trim the old blossoms? should I pull off the black spot leaves? I have never had rose bushes and I am acquiring more and more interest in them. HELP PLEASE

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MichiganDot
Answered on August 8, 2019

Your tall rose may be a grandiflora. They are quite elegant. Many rose lovers prune off the first set of blooms when they are spent. However, whether you prune them after that depends on whether you want rose hips (seed pods). Some roses have lovely red rose hips which persist into winter. A plant's mission is to make seed after its flowers are pollinated. If you frustrate that by dead-heading, the plant may send up more blooms in another effort. By September, I lean toward leaving at least some of the spent blooms on the plant. Birds, rabbits and humans eat rose hips ( high in vitamin C) so take that into consideration. Not all roses have lovely rose hips in which case dead-heading makes a lot of sense. Here is an article that explains how to remove spent blooms: https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-deadheading.htm
It is hard not to have some black spot disease. If the leaf turns yellow or is heavily spotted, remove it. To keep black spot at bay, remove all rose debris that falls to the ground. In spring, prune your roses to open up the center of the shrub. Your two roses need slightly different pruning technics. More info here: https://www.gardeningknowhow.com/ornamental/flowers/roses/pruning-roses.htm

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