From what? Rhododendron, yes, because the plant will put effort into making seed, and you don't need that. Perennials, perhaps, as a cut back may provoke a second flush of flower. Shrubs - perhaps, as the flowered growth might need removing to make way for vigorous new growth for next year's flower. However, until we know what plant we're talking about - we're guessing!
From what? Rhododendron, yes, because the plant will put effort into making seed, and you don't need that. Perennials, perhaps, as a cut back may provoke a second flush of flower. Shrubs - perhaps, as the flowered growth might need removing to make way for vigorous new growth for next year's flower. However, until we know what plant we're talking about - we're guessing!
17 Jun, 2014