Dahlia 'Karma Red Corona'
Long-flowering, rich red blooms
Grown by Jack
Hereford
Plant in a 3L Pot
30cm on arrival
Choose your size
Out of stock
Currently out of stock
Plant diary
- Flower
- Harvest
Dahlia 'Karma Red Corona'
- Eyecatching warm red, double semi-cactus flowers with long velvety petals
- Blooms from July to September
- Cactus dahlias have dramatic, spiky or star shaped flowers with long, pointed ray petals.They are particularly resistant to bad weather
- Plant in a mixed border or as part of your cutting garden
- Grows to 90cm tall
- Long strong stems stand up straight even in the rain
What to expect
Supplied as
Height on arrival
Eventual height
Eventual spread
Flower colour
Habit
Hardiness
Spacing
Will this grow in my garden?
Can I grow this in a pot?
Yes, Dahlia 'Karma Red Corona' is perfect for 40 cm pots, providing vibrant colour in warm summer temperatures up to 28°C.
How big does it get?
Dahlia 'Karma Red Corona' typically reaches a mature height of 90 cm and a spread of 60 cm.
How much sunlight does this need?
Dahlia 'Karma Red Corona' requires full sun to flourish.
What kind of soil does this plant prefer?
Dahlia 'Karma Red Corona' prefers deep, fertile, moist but well-drained soil enriched with organic matter.
How much watering does this plant need?
Water Dahlia 'Karma Red Corona' regularly to keep the soil evenly moist, providing about 2.5 cm of water weekly during the growing season, and slightly more when temperatures surpass 25°C.
Will this plant need pruning?
No strict pruning is required, but Dahlia 'Karma Red Corona' generally benefits from deadheading faded flowers to encourage further blooming and cutting back dead foliage in late autumn or early spring.
How hardy is this plant?
Dahlia 'Karma Red Corona' holds an RHS rating of H3, withstanding temperatures down to -5°C, meaning it is hardy in coastal and mild parts of the UK but requires winter protection or lifting elsewhere.
The wider garden
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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