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German iris

Iris × germanica

Also called Bearded iris, German bearded iris, Flags

German iris
Photo: User:GinoMM, CC BY-SA 3.0

Bearded iris is a hybrid rhizomatous perennial with sword-like leaves and showy flowers in mid to late spring, with hundreds of cultivars in nearly every colour. It grows best in full sun and well-drained soil, and the rhizomes should sit at or just below the soil surface.

Family
Iridaceae (Iris family)
Grows as
Bulb
Light
Full sun
Water
Water deeply but infrequently, and let the soil dry out between waterings; avoid soggy ground.
Soil
Well-drained soil, neutral to slightly alkaline, with added grit or compost.
Temperature
Hardy in cold winters; protect from prolonged waterlogging rather than frost.
How easy
Easy
Safety
Toxic: Rhizomes and other parts contain irritant compounds that can cause nausea, vomiting and diarrhoea if eaten; skin contact may irritate.
Native range
NW. Balkan Pen.
Climate
temperate

About

Iris × germanica is the accepted name for a species of flowering plants in the family Iridaceae commonly known as the bearded iris or the German bearded iris. It is of hybrid origin. Varieties include I. × g. var. florentina.

How to grow it

It prefers to grow in full sun, with well-drained soil. It normally retains some of its leaves over the winter period. After it has flowered and during dry conditions through the summer is best time to divide and transplant.

Where it grows

Iris × germanica is thought to have originated in the Mediterranean region. It is widely naturalized across Europe.

Other Iris plants

Iris acutiloba subsp. lineolata · Iris acutiloba · Iris adriatica · Iris afghanica · Iris alberti · Iris albomarginata · Iris alexeenkoi · Single Bract Iris · Iris antilibanotica · Stool iris · Iris arenaria · Iris assadiana

Text excerpted from the Wikipedia article Iris × germanica by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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