How to remove duckweed and blanketweed from ponds

Monty Don gives advice on keeping the duckweed and blanketweed in your garden pond under control, in this video guide.

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Jul, Aug, Sep

Ponds almost inevitably develop a covering of green duckweed or blanketweed over summer. In this Gardeners' World programme clip, Monty Don highlights the various ways to control these fast-growing pond invaders, and what to do with the vegetation after you remove it. 

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