Clematis armandii taken by Chris Donaldson

LINKS

The National Hardy Plant Society
​http://www.hardy-plant.org.uk 

Bordering Groups websites
Devon, Wilts & Avon, and Hampshire do not have websites but their programmes are listed on the National website
https://somersethps.com  - Somerset Group

Local Gardens and Nurseries
Knoll Gardens specialising in ornamental grasses and flowering perennials
http://www.knollgardens.co.uk