Monty Don shows you how to cut a tender tree dahlia (Dahlia imperialis) down to size in autumn, so it can be dug up and brought indoors over winter. Watch this short video from Gardeners’ World for full details.
How to protect a tree dahlia over winter
Find out how to care for a tree dahlia over winter, with the help of Monty's video guide.
Offers
Enjoy stunning blooms next summer with a collection of rose standards in four colours, 'Pink', 'Red', 'White' and 'Yellow'. Buy the four tree collection for £27.99 or buy in pairs for £14.99.
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Kick off the festive season in this creative event on how to make your own unique decorations. Discover top tips and hints on what to use from your garden and how to make it last.
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Save over 50 per cent on incredibly hardy perennial, edelweiss 'Blossom of Snow'. Immortalised in the The Sound of Music, it's smothered in lightly scented blooms from Jun-Sep.
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