Iris x robusta 'Dark Aura'
RHS award winning iris
Grown by Jack
Hereford
Plant in a 2L Pot
Choose your size
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Plant diary
- Flower
- Harvest
Iris x robusta 'Dark Aura'
- This striking iris features deep purple flowers with dark purple and green blades of foliage
- Show stopping purple flowers with a white and yellow eye bloom between May and July
- Wonderfully suited to water gardens and ponds, as well as pots and borders
- Fully hardy, this iris is one seriously tough plant - it can survive below -20°C!
- This iris is highly attractive to pollinators
- It's important to note that irises are toxic to animals if ingested
- Royal Horticultural Society Award of Garden Merit winner
What to expect
Supplied as
Eventual height
Eventual spread
Flower colour
Habit
Hardiness
Spacing
Will this grow in my garden?
Can I grow this in a pot?
Yes, Iris x robusta 'Dark Aura' grows well in pots with regular watering during dry spells.
How big does it get?
Iris x robusta 'Dark Aura' typically reaches a mature height of 80 cm and a spread of 50 cm.
How much sunlight does this need?
Iris x robusta 'Dark Aura' requires full sun for at least 6 hours a day.
What kind of soil does this plant prefer?
Iris x robusta 'Dark Aura' prefers moist, slightly acidic soil.
How much watering does this plant need?
Iris x robusta 'Dark Aura' needs about 2.5 centimetres of water per week, keeping the soil evenly moist.
Will this plant need pruning?
Iris x robusta 'Dark Aura' does not strictly need pruning, but regular deadheading will encourage more flowering. Cut the plant back to the base in late autumn or early spring.
How hardy is this plant?
Iris x robusta 'Dark Aura' is fully hardy (H6), tolerating temperatures down to -15°C to -20°C. It is robust and grows reliably in all regions of the UK.
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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