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International Hardy Plant Union
Servatiusstraße 53
D 53175 Bonn

Telephone: +49 228 81002 51
E-Mail: info@isu-perennials.org

SUMMER DAYS

Every 2 year, we organise a Congress, now called 'the Summer Days', as a real meeting point for all colleagues. During these days the delegate – meeting takes place.

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WINTER DAYS

The aim of this conference is to promote international contacts in the Perennial Plant Industry and to provide an opportunity to exchange knowledge and expertise in an inspiring atmosphere.

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BOTANICAL EXCURSIONS

The excursions of the ISU have a long tradition. Since its foundation there have been several excursions. They either go to botanically interesting regions and give good inside view of our perennials in the wild.

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Recent news

22 Aug / 2022

General Assembly in Nijkerk decides ISU meeting on future topics 2023.

22 Aug / 2022

Ten growers or companies sent in a total of 51 novelties from 27 genera for ISU screening.

22 Aug / 2022

Exchange of colleagues at the ISU Summer Days 2022 in the Netherlands.

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