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Siberian flag | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

Siberian flag

Iris sibirica

Genus: Iris
Family: Iridaceae
Common Names: Siberian iris

About this plant

I. sibirica is a rhizomatous herbaceous perennial up to 1.2m tall, with narrow grassy foliage and branched stems bearing up to 5 violet-blue flowers 6-7cm wide in early summer, the falls veined purple on white at the base

Growing Information

Height

1-1.5 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ClayChalkLoamSandy

Acid

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Alkaline

Neutral

Moisture

Poorly Drained

Aspect

East FacingSouth FacingWest Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grow in any good garden soil that is preferably moist but not waterlogged. In drier soils, dig in well-rotted organic matter before planting then apply as a mulch each spring

Pruning

Remove any dying foliage in autumn, old flower stems can be cut down after flowering

Propagation

Propagate by seed or by division of rhizomes from midsummer to early autumn

Pests

May be attacked by slugs, snails and thrips

Diseases

May be subject to grey moulds

Garden Uses

Uses

Cottage InformalFlower BordersGround Cover

Planting Places

Outdoor

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

1-1.5 Metres

Spread

0.1-0.5 Metres

Habit

Bushy

Time to Full Height

Five To Ten Years