Iris 'White Swirl' (Sib) | Siberian iris 'White Swirl'

Synonyms

Iris sibirica 'White Swirl'

Bogs Herbaceous Perennial

An herbaceous perennial with narrowly linear leaves and pure white flowers, flushed with yellow at the base of the falls, in early summer

Full sun, Partial shade

Chalk, Clay, Loam, Sand

0.5-1 metres

0.1-0.5 metres

Chalk Clay Loam Sand

Full sun Partial shade

Family: Iridaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Clump forming
Potentially harmful: Harmful if eaten. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Iris may be rhizomatous or bulbous perennials, with narrow leaves and erect stems bearing flowers with 3 large spreading or pendent fall petals, alternating with 3 erect, often smaller, standard petals, in late winter, spring or early summer
Name Status: Accepted
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea: Sibirica irises are rhizomatous perennials, to 1.2m tall, with narrow leaves and erect stems bearing up to 5 beardless flowers 6-7cm wide in early summer. Form and colour vary considerably among cultivars

Grow in moist but well-drained neutral to slightly acid loam in full sun or partial shade

Propagate by division from midsummer to early autumn, plant immediately in flowering positions

Cut back after flowering

May be susceptible to slugs, snails and thrips

May be susceptible to aphid-borne viruses, bacterial soft rot and grey moulds; see Iris diseases