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Medwyn Williams

Hello. I'm Medwyn Williams – eleven times Gold medal winner at the Chelsea Flower Show, Past Chairman of the Royal Horticultural Society Fruit Vegetable and Herb Committee and President of the National Vegetable Society.

Polytunnels, Preservatives and Mixtures

The doors and frames to my polytunnels are not going to last very long unless treated. It really isn’t a difficult job as most of the wood preservers are like water and you can easily cover a large area in minutes. Do make sure that whatever preservative you use that it’s harmless to any plants, the last thing you want is your plants to collapse from the paint fumes.

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