How to plant and grow dahlia tubers
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 they...
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Cardinal Dahlia Collection
Velvet purples and crimsons, with the single 'Blue Bayou' a perfect contrast to the rest. More
| 4 tubers 229249-4 | £15.50 Now £13.95 |
In stock
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When in stock, please allow up to 1 week for delivery.
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| 8 tubers 229249-8 | £28.50 Now £25.65 |
In stock
[?]
When in stock, please allow up to 1 week for delivery.
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More Details
Velvet purples and crimsons, with the single 'Blue Bayou' a perfect contrast to the rest.
This collection includes:
Our dahlias:
- are first class, healthy tubers – the largest and best you can buy.
- come with full planting, spacing and cultivating instructions for beginner gardeners
- tubers should be potted up when they arrive and be kept in a light, frost-free place until the frosts are over and then be planted into the garden.
| Genus | Dahlia |
| 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 |
| Spacing | Plant 30cm (12in) deep, 75cm (30in) apart. |
| 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. |
| Flowering | July - November |
| Vase Life | Only pick dahlias in full flower. Recut the hollow stem ends under water to avoid airlocks. |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
- Sow Under Cover/Plant Indoors
- Direct Sow/Plant Outdoors
- Flowers/Harvest
Advice & Videos
How to take dahlia cuttings
Watch and learn how to take dahlia cuttings – turn 1 tuber into 10.
How to overwinter dahlia tubers
Sarah discusses the best options for overwintering dahlias – lifting or mulching.
Delivery
Bulb Delivery - When in stock, please allow up to 1 week for delivery.
Click here to find out more information about our delivery rates and times.
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