If you’re wondering how to prune hydrangeas, there isn’t a one-size-fits-all rule – at least, your hydrangea falls into one of two categories.

Some hydrangeas flower on old wood, while others flower on new wood, and each category tolerates a different level of pruning. It’s all down to the species – and whether you’re growing hydrangeas in pots or borders, it’s crucial that you identify the type before you start trimming.

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