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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

01 Mar / 2024

One of the main aims of the annual ISU Winter Days is to exchange personal experiences about perennials, their natural habitats and their use in design on an international level.

26 Oct / 2023

Practical exchange of information at the ISU Future Days
The world is full of perennial enthusiasts, people who are passionate about perennials and who are passionate about sustainable development.

26 Oct / 2023

External transfer also a topic at the ISU Future Days
Nearly 70 participants from 13 countries attended the conference in Prague.

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