Iris x robusta 'Dark Aura' (Iris 'Dark Aura')

Cultivation

Grow in fertile, well-drained, neutral to slightly acid loam in sun. Plant in late summer or early autumn. In drier soils, dig in well-rotted manure before planting and apply as a mulch each spring.

Suggested uses

Coastal, Flower Arranging, Beds and borders, Cottage/Informal, City, Wallside and trellises, Waterside

UK hardiness

H7

USDA zones

Zone 3, Zone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9

Sunset zone

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

WUCOLS

North-Central Coastal = Unknown
Central Valley = Unknown
South Coastal = Unknown
South Inland = Unknown
High and Intermediate Desert = Unknown
Low Desert = Unknown

Foliage

Deciduous

Habit

Clump-forming, Arching, Erect flower stem

Native to

Garden origin

Drought tolerant

No

Flood tolerant

Yes

Toxicity

Ingestion may cause severe discomfort.