How to overwinter dahlia tubers
Sarah discusses the best options for overwintering dahlias – lifting or mulching.
1 x 3 litre plant 190515-3L | £9.95 |
Delivery late May
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When in stock, please allow up to 2 weeks for delivery.
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Or buy this as part of our The Sublime Dark Dahlia Collection.
Dahlia 'Chat Noir' has long flower stems and a superb vase life – a true old favourite, with wonderful spiky, sea urchin like red flowers.
Our dahlias:
Genus | Dahlia |
Group/Species | Semi-cactus Group |
Variety | Chat Noir |
Type | Tender Perennial Tuber |
Border Position | Back, Middle |
Bulb Size | 1 |
Soil Type | Acid, Chalky, Fertile, Neutral |
Scent | Unscented |
Site | Full Sun |
Moisture | Moist but Well-drained |
Height | 1m (39in) |
Spacing | Plant just under the soil surface, 75cm (30in) apart. |
Sowing, Seeds, Planting | Pot them up undercover March or early April in a generous pot (at least 2 litre) filled with multi-purpose potting compost. Place them in a light, frost-free place and keep the compost moist. Pinch out their growing tips when they have reached about 8" tall. They will have formed bushy plants by the time the frosts have ended and will be in flower by the beginning of July. If you don’t have anywhere to grow the potted tubers, you can put them straight into the ground when the frosts are nearly over, mulching them or protecting with a cloche or protective horticultural fleece if the foliage appears before the frosts are over, but this will delay flowering. |
Care Tips | Support with a stout stick, tie in every couple of weeks. In the south you can mulch deeply and overwinter them in the ground, alternatively, lift and overwinter your dahlias frost free undercover. |
Flowering | July - November |
Vase Life | Only pick dahlias in full flower. Recut the hollow stem ends under water to avoid airlocks. |
Cooking Notes | All dahlia flowers are edible. I use the petals scattered over salad and to decorate a range of puddings. |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Sarah discusses the best options for overwintering dahlias – lifting or mulching.
Sarah shows you how to make a gorgeous large arrangement of dahlias.
Have a beautiful display of flowers in your garden from March to the first frosts with this simple planting technique.
Sarah shows you how to make a quick arrangement of colourful dahlias.
Sarah shows you her favourite dahlia varieties for pots, and gives you some tips on how to grow them successfully.
Watch and learn how to take dahlia cuttings – turn 1 tuber into 10.
In this video Sarah shows you how to plant up your dahlia tubers.
A list of the different dahlia groups, along with some classification info and an example of a variety in each group.
Find out how to grow strong, healthy dahlias this spring – how to plant, look after and overwinter them, and what to do with your bulbs when...
First discovered by Aztec Indians and used for food and medicine, this tuber has an interesting history of cultivation.
Plant Delivery - When in stock, please allow up to 2 weeks for delivery.
Click here to find out more information about our delivery rates and times.
Dahlia 'Chat Noir' reviews
Star quality
Reviewed 12th April 2015 by Dr C I have bought and grown these from Sarah for a few years now and they perform wonderfully. I follow her instructions and the plants never fail to deliver 5-star quality. I garden in East Anglia on heavy clay but with some grit and lots of good quality compost (and strong staking) they do really well. The stems are long enough for cutting and popping in a vase to bring inside. |