Links

Here you will find a number of links to organisations concerned with perennials in any form. Links to the national perennial plant organisations you will find here.

 Arboretum Kalmthout, Belgium
 Arboretum Trompenburg, Rotterdam, Netherlands
 European Plant and Art Days 2007 in Hungary
 List of names of woody plants and perennials
 Plant Research Station, Netherlands
 Perenne, Verein für Staudenzüchtung und Sortimentsentwicklung, Germany
 Perennial Plant Evaluation, Germany
 Plantscope, Netherlands
 PPA
 Proefcentrum Sierteelt Destelbergen, Belgium
 Royal Horticultural Society
 University of Applied Sciences Weihenstephan, Germany
 University of Applied Sciences Wädenswil, Switzerland
 Reference garden