botarosa

The site of Ivan Louette and the Chaumont-Gistoux environmental rose garden, in Belgium. The great quality of the texts in French is a good reason to start to learn the language.

RoseGathering

Dedicated to roses in Art, Gardens and History.
VERY interesting site, with lots of information and photos by Daphne Filiberti.

Hisako's rosegarden

From Japan, the very romantic photography of  Hisako Ukai. Superb.

Old Garden Roses and Beyond

"This website is dedicated to the appreciation of the Old Garden Roses of the 19th century and before. Also discussed are some of the best modern roses of the 20th (and 21st) century, including the English Roses and Miniature Roses." Paul Barden's fantastic site.

RogersRoses

Roger Phillips,  Martyn Rix, and Bill Grant's website "The world encyclopedia of rose pictures and information."

A Woodland Rose Garden 

A very interesting site by Kent B. Krugh, I enjoyed in particular the Roses Books online.

rareroses.net

Christine Meile-Karl and Udo Karl's website. Interesting texts in German and great photo of rare and old roses

Don't miss the forum

Joanna's Roses

Joanna Kovalcsik's rose garden

Graasten Herbarium

It's different.
It's Danish and it's about dried roses...

Riddler Rose Garden

The rose garden web site of Ian and Tracy Riddler

NZ Rose information

Maggiebee's New Zealand Rose Information.
A very usefull site on Rose Cultivation in New Zealand, with a very practical monthly page