AIPH is responsible for approving the world’s most exceptional horticultural exhibitions

AIPH is an International Non-Profit Association registered in Brussels and operating from the United Kingdom. The role of AIPH is defined within the AIPH Regulations for International Horticultural Exhibitions and in accordance with the Charter and Regulations of AIPH

In accordance with Article 4.B.2 of the International Convention Relating to International Exhibitions (Signed at Paris on November 22nd, 1928, and Supplemented by the Protocols of May 10th, 1948, November 16th, 1966, November 30th, 1972 and the Amendment of June 24th, 1982 and the Amendment of May 31st, 1988) AIPH has been given international responsibility for the approval of international horticultural exhibitions.

Within the rules of the Convention, the International Exhibitions Bureau (BIE) is permitted to grant recognition to A1 horticultural exhibitions approved by the International Association of Horticultural Producers (AIPH), provided that there is an interval of at least two years between such exhibitions in different countries and at least ten years between events held in the same country; due to be held in the interval between two registered exhibitions.

Regulatory and Advisory mechanisms set up by the AIPH that need to be followed by AIPH Organizers

The diagram illustrates the position of each of the cited documents which form a chain that needs to be clearly understood by the Expo Organizers, in order to distinguish between regulatory and advisory mechanisms set up by AIPH.


Legally binding for AIPH and Expo Organisers

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Knowledge exchange and advice

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An obligation for Expo Organisers

Expo Categories Expo Approval Process Organiser's Guide for International Horticultural Exhibitions Preferred Partners Programme


T: +44 (0) 1235 776230

E: [email protected]

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