Henry Doubleday Research Association

The Henry Doubleday Research Association (HDRA) is a UK organisation dedicated to researching and promoting organic gardening, farming and food.

It maintans three organic display gardens, at:

• Ryton-on-Dunsmore near Coventry
• Yalding near Maidstone
• Audley End near Saffron Walden.

It has a sister organisation, the Henry Doubleday Research Association of Australia Inc.

External link

• HDRA website