How to divide water mint in a garden pond

Find out how to divide overgrown clumps of fragrant water mint, with help from Monty Don.

In this Gardeners’ World clip, Monty Don divides a clump of water mint, Mentha aquatica, that is getting out of hand. He also reveals the right balance of covered to clear pond surface to achieve a healthy ecosystem, and to attract a range of pond wildlife, including newts, frogs and dragonflies. Watch now for tips on how to maintain a wildlife-friendly pond in your garden.

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