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Iris unguicularis

Algerian iris

Garden

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  • Iris unguicularis | Copyright Greenplantswap 2017

Features

  • BloomsJanuary to April
  • Height0.2m to 0.35m
  • Spread0.1m
  • Growth HabitStalked clump
  • Flower ColourWhite-green blue, purple
  • Leaf ColourDeep green shades
  • AwardsRHS Garden Merit

Description

Iris unguicularis (Algerian iris). This is an evergreen beardless species. It will produce its flowers deep down among the clumps of grassy dark green leaves, on stems no more than 20cm long. The flower are pale blue but white and darker blue varieties are also available.

Characteristics

Perennial, Evergreen, Fragrant

Origin

Turkey, Algeria

Interest and use

Walls, rock garden. Winter/Spring interest.

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  • Iris unguicularis | Copyright Greenplantswap 2017

Needs

  • LightFull sun
  • HardinessFully hardy (min -15°C)
  • SoilSandy, Chalky
  • Soil pH9.0
  • WaterSemi-moist

Cultivation

They are fully hardy, but some groups may thrive only in specific growing conditions. All irises are best planted in late summer and early autumn. Outdoors you can grow them in well drained, fertile, neutral or slightly acid or alkaline soil in full sun to lightly dappled shade. In order for irises to thrive, most of them need long, hot summers. Irises that require protection from rain or frost should be grown under glass.

Propagation

By division of rhizomes or offsets in late summer or by seed in autumn. Certain cultivars should be propagated by division only.

Pests, diseases or disorders

Attracts Slugs

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