2026 Hydrangea - Introduction

Tom Christian presents an introduction to Hydrangea, including recent taxonomic changes and the related research and work of the Trees and Shrubs Online team. He covers the horticulturally important species, the rationale behind the name changes and species complexes, all in an accessible and friendly manner!

Essential preparation for the next two webinars in the series from Jack Aldridge.

Visit Trees & Shrubs Online Hydrangea page

Read the De Smet paper from 2015

Plant Heritage National Plant Collection in Derby

Maurice Foster's White House Farm

International Code for the Naming of Cultivated Plants (Ninth Ed.)

Hortax Plant Names leaflet (some info may be out of date)