Dahlia Thomas A. Edison
Dahlia Thomas A. Edison Dahlia Thomas A. Edison Dahlia Thomas A. Edison

Dahlia Thomas A. Edison


Delivery: From mid Feb

A large dark violet to purple dahlia. A perfect example of a decorative dahlia, one of our best selling dahlia tubers.

In the right conditions this dahlia will grow to 90cm tall and produce flowers all summer long. 

Product Code:
More Information
Colour Purple
Delivery period From mid Feb
Flower Size 20cm
Garden Position Sun, Partial shade
Hardiness Half-Hardy, Tender
Height 100 cm
Month of Blooming July, November
Planting Density (per square m) 4-6
Planting Depth 15cm
Planting Position Middle border, Back border
Planting Time Spring, Summer
Scented No
Special Features Good for Cut Flowers
Suitable for Pots Yes
Type of Soil Fertile, Humus Rich, Well Drained

Deep purple Thomas Edison Dahlia Tubers are a useful colour in your gardening palette. The shifting colours go deep into the florets like an ink drop. A mid sized dahlia flower on a bushy darker leaf dahlia, growing to 90cm tall.

How to grow Thomas A. Edison Dahlia Tubers

  • Dahlia tubers need a sunny location with well-drained soil for planting. These sun-loving blooms thrive in full sunlight, creating a radiant spectacle. They can tolerate a lot of sun but keep an eye on water levels. 
  • Plant the tubers with the stem, or growing point, facing upwards, about 15 cm deep. Provide ample space between tubers for their mature size and graceful growth.
  • Ideally, mix the soil with organic matter for fertility and excellent drainage. Thomas Edison Dahlias prefer slightly acidic to neutral soil, so amend accordingly for optimal results.
  • Maintain consistent moisture in the soil without allowing it to become waterlogged. Deep watering is crucial, especially during dry spells, to support robust root development. Dahlias are prone to rotting in overly wet conditions. 

How to care for your dahlia tubers

  • Apply a balanced fertiliser when the plants reach 15 cm in height and repeat in mid-summer. Follow recommended application rates for a radiant display of Thomas Edison Dahlia blooms.
  • Pinch the growing tips when the plants reach 30 cm in height. This encourages a bushier form and enhances flower production, showcasing the brilliance of Thomas Edison Dahlias.
  • These dahlias may benefit from gentle staking to support their height and prevent drooping. Install stakes early in the growing season to provide seamless support to Thomas Edison Dahlias.
  • Regularly remove spent flowers to promote continuous blooming and redirect the plant's energy into producing new buds, ensuring a prolonged display of Thomas Edison Dahlia brilliance.

Can Thomas Edison Dahlia Tubers be grown in containers?

We often grow dahlias in containers when we are testing new varieties. There is no reason not to plant them in large pots. However, the tubers perform better in the ground with ample space for the foliage and roots.

When is the best time to plant Thomas Edison Dahlia Tubers?

Plant tubers in the spring after the last frost date, allowing them to establish and bloom throughout the growing season. You can begin the tubers in small pots in a greenhouse from March to protect them from frosts and promote early growth.

How do I store Thomas Edison Dahlia Tubers for the next year?

After the first frost, lift the tubers, store them in a cool, dry place, and replant in the spring for a renewed display of Thomas Edison Dahlia brilliance. Find expert tips at www.peternyssen.com.

Why you should order your dahlias tubers from Peter Nyssen

  • We are a friendly, family run business with more than 60 years experience
  • We have over 250 dahlia varieties in stock
  • We offer bulk prices and free delivery for orders over £100
  • We supply flower bulbs in quantities large and small, for all types of gardener from the cottage potterer through to the professional landscaper



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