Decorative / Dinnerplate Dahlias

Buy Premium Size, Dutch Quality Decorative Dahlia Tubers
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Break Out Dahlia Flower Break Out Dahlia Flowers
Break Out Dahlia Tubers
Dahlia Break Out (Decorative)
from £5.85
Cafe au Lait Supreme Dahlia Flowers
Cafe au Lait Supreme Dahlia Tubers
Dahlia Cafe au Lait Supreme (Decorative)
from £5.85
Arbatax Dahlia Flowers Arbatax Dahlia Flowers are Excellent Dahlia for Cutting
from £5.85
Labyrinth Dahlia Flowers Labyrinth Dahlia Flower Head
Labyrinth Dahlia Tubers
Dahlia Labyrinth
from £5.85
Cafe au Lait Twist Dahlia Flowers
Cafe au Lait Twist Dahlia Tubers
Dahlia Cafe au Lait Twist (Decorative)
from £5.85
Dark Spirit Dahlia Flowers
Dark Spirit Dahlia Tubers
Dahlia Dark Spirit
from £5.85
Red Cap Dahlia Flowers
Red Cap Dahlia Tubers
Dahlia Red Cap (Decorative)
from £5.85
Fairway Spur Dahlia Flowers Fairway Spur Dalia Flowers
Fairway Spur Dahlia Tubers
Dahlia Fairway Spur
from £5.85
Crazy Love Dahlia Flower Crazy Love Dahlias Flower Head
Crazy Love Dahlia Tubers
Dahlia Crazy Love (Decorative)
from £5.85
Cafe au Lait Dahlia Flower Head Cafe au Lait Dahlia Flowers: Ideal for Wedding Bouquets
Cafe au Lait Dahlia Tubers
Dahlia Cafe au Lait
from £5.25
Checkers Dahlia Flowers Checkers Dahlia Tuber
Checkers Dahlia Tubers
Dahlia Checkers
from £5.85
Ida Mae Dahlia Flower Ida Mae Dahlia Flower
Ida Mae Dahlia Tubers
Dahlia Ida Mae (Decorative)
from £5.85
Karma Prospero Dahlia Flowers Karma Prospero Dahlia Flower
Karma Prospero Dahlia Tubers
Dahlia Karma Prospero (Decorative waterlily)
from £5.85
French Cancan Dahlia Flowers
French Cancan Dahlia Tubers
Dahlia French Cancan (Decorative)
from £5.85
David Howard Dahlia Flower Head Dahlia David Howard Flowers
David Howard Dahlia Tubers
Dahlia David Howard
from £5.65
Bishop of Leicester Dahlia Flowers Bishop of Leicester Dahlia Flowers
Bishop of Leicester Dahlia Tubers
Dahlia Bishop of Leicester (Paeony)
from £5.85
Bishop of Auckland Dahlia Flowers Bishop of Auckland Dahlia Flowers
Bishop of Auckland Dahlia Tubers
Dahlia Bishop of Auckland (Paeony)
from £5.85
Bishop of York Dahlia Flowers
Bishop of York Dahlia Tubers
Dahlia Bishop of York (Paeony)
from £5.85
Cafe au Lait Royal Dahlia Flowers Cafe au Lait Royal Dahlia Flower Head
Cafe au Lait Royal Dahlia Tubers
Dahlia Cafe au Lait Royal
from £5.85
Dahlia Bishop of Llandaff Flowers Bishop of Llandaff Dahlia Flowers
Bishop of Llandaff Dahlia Tubers
Dahlia Bishop of Llandaff
from £5.85
Labyrinth Twotone Dahlia Flowers Labyrinth Twotone Dahlia Flowerhead
Labyrinth Twotone Dahlia Tubers
Dahlia Labyrinth Twotone (Decorative)
from £5.85
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About Decorative / Dinnerplate Dahlias

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Decorative dahlias range in size from about 8cm (3") to showstopper giants up to 25cm (10") across. 

Because of the size of their flowers and tendency of many to hold rainwater, decorative dahlias need good staking and a sheltered spot out of the wind.

Browse the rest of our of dahlias.

Dahlias are wonderfully colourful, vigorous perennial plants with lush leaves and prolific blooms for a generous season.

These tuberous plants can fill the mid-to-late summer flower garden, perhaps with taller shrub roses arrayed behind them, lasting until the first frosts. 

Unlike Flower Bulbs, which are mostly very hardy and planted in Autumn, Dahlia Tubers are too tender for planting outdoors in the UK in late Autumn or early Winter. 

  • Dahlia Tubers are planted when frost has passed and the soil warms up from April-May.
  • Many people lift their Dahlias for storage over winter (or get them in the post from us!), pot them up indoors in early Spring, then plant out again in warm soil for a racing start.
  • Dahlias are great in good size pots that can still be moved from their outdoor display positions.

For strong establishment and the best flowering, we recommend using Bulb Starter Rootgrow blend.

We sell single-plant tubers, which vary by Dahlia cultivar (type), that's why we hand grade them for you and discard undersize tubers.

  • When your order is ready: your mail order Dahlia tubers are delivered by next working day courier (not the next working day after ordering!)
  • Friendly support: if there is anything wrong with your plants when you inspect them, Contact Us within 5 working days

March and April are when early bird gardeners fill pots with Dahlia tubers, either ready to plant out when frost has passed and their soil warms up, or to grow in containers.

In the mildest parts of the South, mid-April is usually frost free and sunny beds should be warm enough for planting out Dahlias.

For most of the UK, wait until May or June bring warmer soils - there is no head start benefit to planting out Dahlias early in cool soil, on the contrary, it sets them back & shortens their season.  

Never Bought A Dahlia Tuber Before?

Here's what a tuber looks like and where the "eyes", growth points, are.

  • Dahlia tubers are tender, and cold soil will delay their growth. 
  • Most growers recommended 15C soil temperature to plant outdoors, around May.
  • If you are planting them out into the soil directly, but planting is delayed for more than a few days, pot them up temporarily in any old container with only a centimetre of soil/compost covering them, so new shoots immediately have light. 
  • Taller Dahlia varieties usually need support. We recommend an open centred hoop, which allows the stems to sway naturally without tipping over. Put this in place at planting time, it may be tricky later.

Growing Dahlias

Because they are a tender tuber that can be killed by hard frost, growing Dahlias in borders and growing Dahlias in pots have some special considerations.

Many people lift their tubers to store overwinter, others leave them in the ground and mulch them well.

Lifting allows you to start the tubers early in pots under shelter, then plant them out in late Spring.

Dahlia FAQs

Our premium quality, First Class Dahlia tubers are Dutch, the world leader in Dahlia production.