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Forrest iris | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

Forrest iris

Iris forrestii

★ RHS AGM

Genus: Iris
Family: Iridaceae

About this plant

I. forrestii is a clump-forming herbaceous perennial to 45cm tall, with narrow leaves glossy above, greyish beneath, and yellow flowers 6cm wide, the falls finely streaked with brown lines, opening in early summer

Growing Information

Height

0.1-0.5 Metres

Spread

0.1-0.5 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full SunPartial Shade

Soil

ChalkLoamSandy

AcidAlkaline

Not Currently Available

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

Neutral

Moisture

Poorly DrainedWell Drained

Aspect

West FacingEast FacingSouth Facing

Exposure

ShelteredExposed

Care Guide

Cultivation

Grow in moisture-retentive, well-drained soil in full sun or part shade; mulch in spring with well-rotted organic matter particularly in drier soils

Pruning

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

Propagation

Propagate by seed in autumn or spring, propagate by division in summer or autumn

Pests

Slugs and snails may damage leaves and rhizomes, aphids and thrips may damage leaves

Diseases

May be affected by grey moulds, leaf spot (fungal) or a virus

Garden Uses

Uses

Cottage InformalFlower BordersGround Cover

Planting Places

Outdoor

Season of Interest

SpringSummer

Size & Characteristics

Height

0.1-0.5 Metres

Spread

0.1-0.5 Metres

Habit

Bushy

Time to Full Height

Five To Ten Years