Horticulturist Chris Collins reassesses the reputations of some of the UK’s least-loved plants. He explores the scientific origins of species such as Japanese knotweed and rhododendron ponticum, and analyses the important roles they can play in gardens of all sizes and scales – as well as determining whether attempts to eliminate them can ever succeed.

http://www.filesonic.com/file/1644233871/Wonder.Of.Weeds.HDTV.avi
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