Stinking Iris - Iris foetidissima

Alternative names
Gladdon
Description

It is one of two iris species native to Britain, the other being the Yellow Iris. Its flowers are usually of a dull, leaden-blue colour, or dull buff-yellow tinged with blue; the capsules, which remain attached to the plant throughout the winter, are 5 to 8 cm long; and the seeds scarlet. It is known as "stinking" because some people find the smell of its leaves unpleasant when crushed or bruised, an odour that has been described as beefy.

Identification difficulty
Habitat

Deciduous woodland, hedgerow and scrub.

When to see it

May to July.

Life History

Perennial.

UK Status

Widespread in Britain south of the Humber, scarce further north.

VC55 Status

Rare in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 4 of the 617 tetrads.

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Common names
Roast-Beef Plant, Stinking Iris
Species group:
Wildflowers
Kingdom:
Plantae
Order:
Asparagales
Family:
Iridaceae
Records on NatureSpot:
114
First record:
21/06/2012 (Cooper, Barbara)
Last record:
02/06/2025 (Cooper, Barbara)

Total records by month

% of records within its species group

10km squares with records

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