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.
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This long-flowering patio sunflower came in third place in the 2018 RHS Chelsea Flower Show Plant of the Year competition. This showstopper will add colour to your garden throughout summer and autumn.
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This hardy perennial bears sweet-scented small white flowers from April to July. This pretty plant is ideal for ground cover in shady garden areas. Buy three 1L pots for just £14.99.
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Robust, mildew-resistant variety flowering, in an array of bright colours, from June to November. These plants will quickly spread filling pots and borders - and are happy situated in sun or semi-shade.
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