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International Hardy Plant Union
Servatiusstraße 53
D 53175 Bonn

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

28 Aug 2018

International communication at Summer Days 2018 in Poland

28 Aug 2018

The 121 new plants that had been excellently cared for at the Wojsławice Arboretum impressed the International Hardy Plant Union

12 Jul 2017

Discover species-rich flora and endemic specialities again in 2018

20 Feb 2017

10th International Perennial Plant Conference
receives more international visitors than ever before

22 Aug 2016
22 Aug 2016

Changed habits effect English horticultural production and garden cultur

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