7 links
American Horticultural Society: Travel Study Events
ahs.org
The society's program offers tours in the United States and abroad, offering participants the opportunity to visit exceptional private and public gardens. Overview of scheduled eve…
Boxwood Tours
boxwoodtours.co.uk
Garden holidays throughout UK and Europe; custom made tours for groups, societies and agents.
Pacific Pathways
pacificpathways.com
Specialists in horticultural, botanical, walking, wildlife and special interest tours to New Zealand and Australia for groups and individuals.