Dahlia 'Snowstorm'

A small dinner plate variety with flowers to fill the palm of your hand, in pure white, with a soft green wash at its heart. More
1 tuber 229301-1 £3.95 Delivery late February
When in stock, please allow up to 2 weeks for delivery.
3 tubers 229301-3 £8.50 Delivery late February
When in stock, please allow up to 2 weeks for delivery.
More Details

A small dinner plate variety with flowers to fill the palm of your hand, in pure white, with a soft green wash at its heart.

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 Snowstorm
Type Tender Perennial Tuber
Common Name Dahlia
Border Position Middle
Bulb Size I
Soil Type Acid, Chalky, Clay, Fertile, Neutral
Scent Unscented
Site Full Sun
Moisture Moist but Well-drained
Height 1-1.2m (3ft 3in - 3ft 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 Change the water regularly and add a dash of cider vinegar or bleach as you do.
Harvesting Flower production - 4 to 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 & Videos
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.


Bulb 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 'Snowstorm' reviews

* * * * - Average based on 11 reviews

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Reviewed 11th August 2019 by Mary

Failed to grow despite perfect growing conditions that suited other varieties which have grown well

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Reviewed 2nd August 2019 by Valerie

Tubers were poor quality when received with no visible growth points. I will purchase plants in future. Although a more expensive option there is less likelihood of failure

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Reviewed 31st July 2019 by Mark

Very good flowers and plenty of them

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Reviewed 31st July 2019 by Virginia

customer service was on the ball. Previously my plants have arrived in poor condition, take a look at the standard of the secret gardener!!!

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Reviewed 31st July 2019 by Gillian

Still waiting for it to flower

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Reviewed 31st July 2019 by Christine

they are probably the strongest and pure white dahlia I have ever bought admire them each day

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Reviewed 31st July 2019 by Alexandra

Beautiful white flowers with yellow centre. Arrived well packaged and with good inot ructions. Will definitely order again.

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Reviewed 31st July 2019 by Anne

Did not grow. I treated it as I always have with your tubers, this one and one of the set of three did not develop.

Recently I enjoyed a lovely visit to your garden and talk. Thank you.

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Reviewed 31st July 2019 by Karen

Only 1 tuber grew, poor quality

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Reviewed 31st July 2019 by Tessa

I am now not certain which, of my six new dahlia's, is this one but all of them arrived when predicted, in excellent packaging and condition. They have grown really well and, despite this being their first year, ALL of them are flowering profusely. I am excited about next year, but WILL lift them in the Autumn.

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Reviewed 31st July 2019 by Ken