Beautiful Gardens around the World

Public and private gardens to visit in Italy
http://www.grandigiardini.it

66 Gardens to visit in Spain
http://www.gardenvisit.com/gardens/in/spain

Grouped by region, this website details gardens to visit in France
http://www.french-gardens.com

Brightwater Holidays providing organised garden holidays worldwide
http://www.brightwaterholidays.co.uk

UK and worldwide garden holidays
http://www.beautifulgardenholidays.co.uk

Gardens to visit worldwide
http://www.gardenvisit.com