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KEY TERMS used in descriptions of our iris varieties:

Flowering season: Described as early, mid, late etc. Between very early and very late one can count on 5 weeks of flowering. In general, the very early varieties open around 10 May in southern England, but it depends on how cold or warm Spring has been. By combining varieties you can have 2 months of flowering.

Height: this refers to height of the flowering stem, measured at the end of the flowering season.

Perfume: Around 70% of our varieties have a perfume, given at the end of the description.

Tall bearded - also known as garden iris, they measure 70cm to more than 1 metre and begin to flower around 10 May. There are 360 varieties on the website, more than 110 of them created by Cayeux. Each variety flowers for around 3 weeks.

Intermediate bearded - measuring between 40 and 70cm and start flowering around 1 May. More than 70 varieties on the website.

Dwarf bearded - 25 to 40cm high, also called standard dwarfs, they flower from mid April. More than 70 varieties on the website.

Miniature Dwarf - 12 to 20cm maximum, flowering at the very beginning of April. 30 varieties on the website.

Cayeux logo - we have used our little Cayeux logo at the end of the text where relevant, to indicate that this is one of the many varieties we offer which was created by me or my family.


Standards: Upper part of the flower (3 in number).

Falls: Lower part of the flower (also 3).

Beards: Clusters of hairs at the throat of the falls. Their differing colours constitute a decorative element.

Style: visible between the falls, can also add decorative interest.

Stalk: Its size varies between 15 cm and 120 cm depending on the variety.

Branching: Ramifications of the stalk. They should be regularly spaced so that each flower can bloom freely.

Substance or Body -the "body" or texture of the standards and falls contributes to the robustness of the flowers.

Rhizome: Fleshy underground part, which helps the plant get through the winter.

Seedling: New hybrids are obtained by sowing seeds from crossed varieties. The term seedling generally denotes a non-registered variety.



Amoena: Irises that have white standards and tinted falls.

Bicolor: Irises with different coloured standards and falls.

Plicata: Irises with 2 or sometimes 3 colours, but not in the same patterns as on amoena or bicolors. Plicata have petals that are rimmed, dotted or stitched with colour, often on a white or yellow background.

Variegata: (not to be confused with 'variegated' which refers to leaf colour). Describes irises with standards that are between yellow & copper, with red to brown falls.



Dykes Medal: Annual award for the best new iris creation. This prize is no longer given in France.

RHS Award of Garden Merit: This award indicates that the plant is recommended by the British Royal Horticultural Society. Awards are usually given after a period of trial at an RHS garden.

Warburton Medal: Created by the American Iris Society in 1999, in recognition of international achievement for contributions to the knowledge of the world of iris. Not necessarily awarded annually, it was given to Richard Cayeux in 2009.