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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A fast-growing, semi-evergreen climber with twining stems bearing scented pink flowers throughout June and July. Plant in pots near walkways or seating to enjoy the fragrant blooms.
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Buy 40 begonia ‘Non-Stop Mixed’ plug plants for just £9.99. This variety's blooms are resistant to rain and strong winds and are ideal for growing in pots and hanging baskets in full sun to shade.
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Shortlisted for the RHS Chelsea Plant of the Year 2019, this unique clematis bears flamboyant, ruffled, double, rich purple blooms against lush green foliage from June to October.
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