Overview

Iris 'Arctic Sunburst' is a clump forming herbaceous perennial in the genus Iris, part of the Iridaceae family, with deciduous foliage. Iris 'Arctic Sunburst' grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H6. Suggested uses include city and courtyard gardens, cottage and informal garden, patio and container plants, cut flowers and flower borders and beds.

About

Iris 'Arctic Sunburst' is a clump-forming cultivar of the Iris genus, known for its slender leaves and upright stems bearing distinctive flowers with three broad fall petals and three smaller upright standard petals. This deciduous perennial thrives in full sun and well-drained, neutral loam soil, ideally in sheltered, south-, east-, or west-facing aspects. It is hardy to UK zone H6 and is suitable for a variety of garden settings including city courtyards, cottage gardens, patios, and flower borders. 'Arctic Sunburst' blooms in spring and summer, offering seasonal interest and can be propagated by division of rhizomes.

About the genus

Iris takes its name from the Greek goddess of the rainbow, and for once the naming feels entirely earned. I can't think of another genus that covers so much ground — inky purples, burnt apricots, clean whites, blues that seem lit from inside — or so many situations. There are bearded irises that want their rhizomes baked in full sun, Siberian types happy in ordinary border soil, and species that will sit contentedly at the edge of a pond. What they share is the flower: three petals standing up, three falling away, built with a kind of architectural confidence most plants never attempt. Even out of bloom the foliage earns its place — those upright fans of blue-green leaves hold a border together for months. I grow them for the fortnight in May and June when nothing else in the garden can compete, and I've made my peace with that. Some plants are for the long haul. An iris is an event.

Growing conditions

Best soil and position for Iris

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Well-drained
Aspect
South-facing, East-facing, West-facing
Exposure
Sheltered
UK hardiness
H6

Plant details

Iris 'Arctic Sunburst' size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Clump forming
Foliage
Deciduous
Suggested uses
City and courtyard gardens, Cottage and informal garden, Patio and container plants, Cut flowers, Flower borders and beds

Care notes

Pruning and caring for Iris 'Arctic Sunburst'

Propagation
Division of rhizomes
Pest resistance
Slugs, Snails, Thrips
Disease resistance
Aphid-borne viruses, Bacterial soft rot, Grey moulds

Frequently asked questions

Where is the best place to plant Iris 'Arctic Sunburst'?

Iris 'Arctic Sunburst' prefers full sun. It suits sheltered positions.

What soil does Iris 'Arctic Sunburst' need?

Iris 'Arctic Sunburst' grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.

Is Iris 'Arctic Sunburst' hardy in the UK?

Iris 'Arctic Sunburst' has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.

How do I propagate Iris 'Arctic Sunburst'?

Division of rhizomes.

More in the Iris genus

Browse all Iris