It’s challenging to diagnosis the visual irregularities on your roses. Use these clues from garden pros to get started with a diagnosis.
IF YOUR ROSE:
Grows rampant with few flowers
IT COULD NEED:
Pruning For modern shrub and hybrid tea roses, simple pruning—best done before leaves emerge—promotes air circulation, bushy growth and lusty flowering.
“A rose is just a blooming shrub, and you can treat it as that,” says Teresa Byington, a consulting rosarian for the American Rose Society who gardens in Indiana. For these types, the typical timing cue, she says, is when forsythia is blooming.
Remove dead, broken, crossing or diseased canes, and take down the rest by one-third of the plant’s height, she says. Single-blooming heirloom and species roses can be pruned for shape and deadheading after…
