Pacific Pathways
- Specialists in horticultural, botanical, walking, wildlife and special interest tours to New Zealand and Australia for groups and individuals.
- http://www.pacificpathways.com/

American Horticultural Society: Travel Study Events
- 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 events.
- http://www.ahs.org/events/travel_study.htm

Jeff Sainsbury Tours
- Specializes in garden tours to Great Britain and mainland Europe for the American garden enthusiast.
- http://www.jeffsainsburytours.com/

Garden Route Tour Guides
- Southern Africa registered tour guides.
- http://www.sa-venues.com/travel/gr_tour_guides.htm

The Garden Traveler
- Discussion forum for garden travel
- http://forums.gardenweb.com/forums/travel/

Boxwood Tours
- Garden holidays throughout UK and Europe; custom made tours for groups, societies and agents.
- http://www.boxwoodtours.co.uk/

Gardenvisit.com
- Advice on garden tour holidays worldwide, primarily in England.
- http://www.gardenvisit.com/garden_tour/garden-tours.htm

Infohub
- A selection of travel packages of the theme of gardens.
- http://www.infohub.com/TRAVEL/SIT/sit_pages/Garden_Tours.html

Coopersmiths
- Garden, manor house and fine arts tours in Britain, Europe, America.
- http://www.coopersmiths.com/

Expo Tours
- A programme of tours in America and Europe, and custom tours.
- http://www.expogardentours.com/

Quantum Tours
- Gardens in Ireland, Scotland, New Zealand, Pacific Northwest of America
- http://www.quantumtours.com/

Horticulture Magazine Tours
- Organized tours in America and Europe
- http://www.hortmag.com/programs.asp

Brightwater Holidays
- Brightwater Holidays specialise in tours of designed gardens in Europe, South Africa, China and Japan
- http://www.brightwaterholidays.co.uk/index.html