Trim the shrub on a day that coincides with your regular watering schedule for.
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Jul 26, Any heavy or moderate pruning of rose bushes is not advisable during the hot summer months. This is because once a plant has left its dormant stage and is already in the growth stage, the plant’s cane is full of sap.

When one of the rose bush’s canes are cut, the sap leaks out. Losing too much sap will weaken the entire rose stumpfelling.clubted Reading Time: 3 mins. In the summer, prune rose bushes to remove dead or diseased branches. Make the cuts one inch below the diseased branch, so only healthy wood remains. Summer is also the time to look for any branches in the center of the bush that are growing across each other.
Prune away the weaker of the branches that cross each stumpfelling.clubg: Brockton MA.