Dahlia 'Thomas Edison'
Lights up your borders
Grown by Jack
Hereford
Plant in a 5L Pot
Choose your size
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Plant diary
- Flower
- Harvest
Dahlia 'Thomas Edison'
The Dahlia Thomas Edison is a stunning dinner plate dahlia with large, deep purple blooms. The blooms are fully double, with a ruffled edge, and they have a long vase life.
This dahlia is a vigorous grower, and it will produce a profusion of blooms all summer long. It is a great choice for borders, patio containers, or cut flowers.
What to expect
Supplied as
Habit
Hardiness
Spacing
Will this grow in my garden?
Can I grow this in a pot?
Yes, Dahlia 'Thomas Edison' grows well in a 30cm pot if kept above 0°C during winter.
How big does it get?
Dahlia 'Thomas Edison' typically reaches a mature height of 120 cm and a spread of 60 cm.
How much sunlight does this need?
Dahlia 'Thomas Edison' requires full sun for at least 6 hours a day.
What kind of soil does this plant prefer?
Dahlia 'Thomas Edison' prefers fertile, moist but well-drained soil.
How much watering does this plant need?
Dahlia 'Thomas Edison' requires about 2.5 to 5 centimetres of water per week, keeping the soil moist but avoiding waterlogging.
Will this plant need pruning?
Dahlia 'Thomas Edison' does not strictly need pruning, but regular deadheading will encourage more flowering. Once the foliage is blackened by the first frost (0°C), cut the stems back to around 15 centimetres.
How hardy is this plant?
Dahlia 'Thomas Edison' is generally rated H3, tolerating temperatures down to -5°C. In milder southern areas of the UK, tubers can remain in the ground over winter with a thick mulch, but in colder northern regions, they should be lifted and stored frost-free.
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Hereford
Meet Jack
Perennials born in Herefordshire, blooming in your garden
Our perennials start life in the rolling Herefordshire hills, where Jack and his team trial over 250 new varieties each year to bring you the best performing and most sustainable plants in the UK. With over forty years of excellence, it’s no surprise that they’ve won the HTA Plant Grower of the Year award two years running.
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