Understanding dahlia groups
A list of the different dahlia groups, along with some classification info and an example of a variety in each group.
2 tubers 229340-2 | £9.50 |
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4 tubers 229340-4 | £16.50 |
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We have this duo tumbling out from the front of a border in our Dutch brick yard. The mix of terracotta colours is a triumph and the scale of these two dahlias make them super-flexible, ideal for a pot or sunny flower bed.
This collection contains 1 or 2 tubers each of:This can be gift wrapped in our exclusive hessian sack, with ribbon and a Sarah Raven gift card. You will be able to add this to your basket once you begin the checkout process. To add a gift message to your order, simply fill out the details at the delivery stage of the checkout.
Group/Species |
Anemone Group, Centre compromises of dense elongated tubes rather than a disc. The outer parts have one or more rings of flattened petals. Click here for more information about dahlia groups. Flower has a central disc with a single ring of petals encircling it. Petals may be round or pointed. Click here for more information about dahlia groups. |
Common Name | Dahlia |
Border Position | Cutting Garden |
Bulb Size | I |
Soil Type | Broad Tolerance |
Scent | Unscented |
Site | Full Sun |
Moisture | Moist but Well-drained |
Height | 90cm (36in) |
Spacing | Plant just under the soil surface, 75cm (30in) apart. |
Sowing, Seeds, Planting | Plant just under the soil surface after the last frosts. Alternativley 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. |
Harvesting | Flower production 5 months |
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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A list of the different dahlia groups, along with some classification info and an example of a variety in each group.
First discovered by Aztec Indians and used for food and medicine, this tuber has an interesting history of cultivation.
Discover how to grow strong, healthy dahlias – how to plant, look after and overwinter them, and what to do with your bulbs when they arrive.
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.
Bulb Delivery - When in stock, please allow up to 3 weeks for despatch.
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Best Border Dahlia Collection reviews
Reviewed 21st August 2019 by Vivienne My dahlias started well with some blooms in July but all have now been eaten by slugs and other pests. |
Reviewed 1st August 2019 by Valerie will be buying these again |
Reviewed 31st July 2019 by Linda They are just in bud but not yet in flower to give you feedback. |
Reviewed 31st July 2019 by Cheryl Excellent condition on arrival and all blooming lovely |