Species, groups or families of perennials
2025
Epimedium
2024
Helleborus
2023
Peach tree
2022
Anemone
2021
Penstemon
2020
Amsonia
2019
Baptisia
2018
Astrantia
2017
Geranium
2016
Veronicastrum
2015
phlox
2014
Salvia
2013
Aster
2012
Nepeta
2011
Campanula
2010
I Helenice
2009
Echinacea
2008
Scaly
2007
Veronica
