One downside, though, is that the spirea plant begins to look weary and ungainly if not pruned correctly. Andy said: “Spirea needs to be pruned in winter when it is dormant.
“Pruning will help to promote more compact growth and encourage flowering. To prune, cut out any dead or diseased stems first then shorten the remaining branches by one third of their length.”
The secret to happy, healthy hydrangea blooms lies in if or when they are pruned. Of course, there’s a lot to be said for fertilising and providing the right location. However, those efforts will be all for not if gardeners don’t prune correctly.
Andy advised: “Prune your hydrangeas in winter when they are dormant. Begin by removing any dead, damaged or diseased stems. Then shorten the remaining longer branches by one third of their length.”
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