2 tubers 229360-2 £7.95 Delivery late February
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When in stock, please allow up to 2 weeks for delivery.
4 tubers 229360-4 £14.95 Delivery late February
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When in stock, please allow up to 2 weeks for delivery.
2 x 3 litre plants 511459-2 £17.95
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If you want unguarded flamboyance you want these two - flamingo pink and frilly. One head of ‘Emory Paul’ will fill a salad bowl.

This collection contains 1 or 2 tubers, or 1 3 litre plant each of:

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.

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.

Please note: only items which are showing ‘in stock’ can be gift wrapped.

Genus Dahlia
Group/Species Decorative Group

Broad and flat petals, normally bluntly pointed, with no central disc showing. Click here for more information about dahlia groups.

Variety Emory Paul, Penhill Dark Monarch
Type Tender Perennial Tuber
Common Name Dahlia
Border Position Container, Middle
Bulb Size I
Soil Type Acid, Alkaline, Chalky, Clay, Fertile, Neutral, Sandy
Scent Unscented
Site Full Sun
Moisture Moist but Well-drained
Height 1.5m (4ft 11in)
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.
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
  • Sow Under Cover/Plant Indoors
  • Direct Sow/Plant Outdoors
  • Flowers/Harvest
Advice
Growing dahlias in pots

Sarah shows you her favourite dahlia varieties for pots, and gives you some tips on how to grow them successfully.

How to take dahlia cuttings

Watch and learn how to take dahlia cuttings – turn 1 tuber into 10.

Understanding dahlia groups

A list of the different dahlia groups, along with some classification info and an example of a variety in each group.

History of the dahlia

First discovered by Aztec Indians and used for food and medicine, this tuber has an interesting history of cultivation.

Planting up your dahlia tubers

In this video Sarah shows you how to plant up your dahlia tubers.

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...

How to overwinter dahlia tubers

Sarah discusses the best options for overwintering dahlias – lifting or mulching.

Sublime dark dahlia flower arrangement

Sarah shows you how to make a gorgeous large arrangement of dahlias.

Planting narcissi bulbs with dahlias

Have a beautiful display of flowers in your garden from March to the first frosts with this simple planting technique.

New favourite dahlia arrangement

Sarah shows you how to make a quick arrangement of colourful dahlias.

Delivery

Bulb Delivery - When in stock, please allow up to 2 weeks for delivery.

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.

Whopper Dahlia Collection reviews

* * * * - Average based on 9 reviews

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Reviewed 14th August 2019 by Barbara

Later to bloom than other large dahlias. Successful and as described.

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Reviewed 1st August 2019 by Sara

Not growing brilliantly at the moment

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Reviewed 31st July 2019 by Julie

Havent grown as well as the others

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Reviewed 31st July 2019 by Janice

Only one has grown so I’m very disappointed because normally your plants are very reliable.

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Reviewed 31st July 2019 by Sharon

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Reviewed 31st July 2019 by Fiona

Beautiful, enormous flowers!

* * - - -

Reviewed 31st July 2019 by Hazel

Delivery was fine Dahlia not so much of a wopper

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Reviewed 11th June 2019 by Ian

Excellent and delivered on time.

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Reviewed 3rd June 2019 by Natalie

One of these didn’t produce any green shoots whatsoever despite spending months on a sunny windowsill - the other one did well until I attempted to plant outside whereupon I damaged it (first attempt at growing dahlias). Green now but no flowers yet.