Plant Wiki

The open plant encyclopedia

Know any plant.
Grow it well.

Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.

  • 13,000+plants with full pages
  • 365,000+plant species worldwide
  • 220+countries covered

Common in

See all

The plants people record most in your country, and ones that grow there wild.

What do you want to do?

Popular plants

Browse all plants

See them in 3D

All plants in 3D

Browse plants

Filter by what you want to do, shape, origin, country, care and safety.

Plant Wiki › Browse plants

Stinking iris

Iris foetidissima

Also called Roast Beef Plant, Gladdon Iris, Gladwyn, Gladwyn Iris, Stinking Gladwyn, Gladdon, Stinking Gladwin

Stinking iris
Photo: Jymm, Public domain

Stinking iris is a rhizomatous perennial native to woodland edges, hedgebanks and sea cliffs in western Europe and the Mediterranean. It grows best in dappled shade with reasonably moist, well-drained soil, and is valued for its evergreen foliage and bright red winter seeds.

Family
Iridaceae (Iris family)
Grows as
Bulb
Light
Part shade, Shade
Water
Water regularly while establishing, then only in prolonged dry spells.
Soil
Moist, well-drained soil; tolerates chalk and lime.
Temperature
-15 to 30 °C; hardy in temperate climates.
How easy
Easy
Safety
Toxic: All parts, especially the rhizomes and seeds, can cause vomiting and diarrhoea if eaten; skin contact may irritate.
Native range
Azores, W. Europe to W. & C. Medit.
Climate
temperate

About

Iris foetidissima, the stinking iris, gladdon, Gladwin iris, roast-beef plant, or stinking gladwin, is a species of flowering plant in the family Iridaceae, found in open woodland, hedgebanks and on sea-cliffs.

Its natural range is Western Europe, including England (south of Durham) and also Ireland, and from France south and east to N. Africa, Italy and Greece.

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 foetidissima 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.

Credits & terms

Identify a plant

Point at a leaf or flower and snap. One plant in frame works best.

Your photo
Starting camera…