John Although what you are proposing is a rather severe pruning, they should resprout reliably. Prune after they finish flowering — the azaleas in late April or early May and the gardenias in ...

Shrubs that respond to severe pruning, such as ribes and philadelphus, may be cut almost to ground level to re-establish a framework of new shoots. If the shrub is old and it's hard to predict a ...

like azaleas, camellias, gardenias and sweet viburnum, may be damaged by temperatures in the low teens. Wait for new growth in spring before pruning. When the new growth sprouts, parts of the ...