Gardening is an exceedingly British pastime. Yet so many of the perennials that populate our gardens have exotic origins, sourced in the past 300 years by plant hunters who scoured the globe for treasures to bring back to our shores.
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May is a joyous month in the garden with more consistently warm temperatures and the promise of summer just around the corner. But there are still tasks to get on with - one of them is pruning.