International Hardy Plant Union
Godesberger Allee 142-148
D 53175 Bonn

Telephone: +49 228 81002 51
Fax: +49 228 81002 77
E-Mail: info@isu-perennials.org

Summer Days

Every secound year, we organise a Congress, now called 'Summer Days', as a real meeting point for all colleagues.
During these days the General Assembly takes place.
  • August 2020: Czech Republic
  • August 2022: The Netherlands

Summer Days 2018

Bei bestem Wetter trafen sich über 60 Staudengärtner zu den ISU-Summer Days 2018 in Polen
In good weather more than 60 perennial gardeners met for the ISU Summer Days 2018 in Poland

More than 60 perennial gardeners from eleven European countries, the USA and Canada travelled to Poland for Summer Days 2018 from 12-15 August. Grass specialists, representatives of arboretums and botanical gardens, young plant producers and also those interested in new products exchanged ideas intensively.
The new product review alone with 121 varieties at Wojsławice Arboretum offered many suggestions. But horticultural gems such as the Grochowscy nursery in Radkow, near the Czech border, with unexpectedly high-quality show gardens, also aroused interest in taking a closer look at Polish horticulture. The young plant producer Vitroflora in Tresacz was a highlight of the trip. Its managing director Tomasz Michalik, who played a key role in planning the current trip, presented the production and elaborate show areas there.





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