Blue Diamond Nursery  
   A unique combination of desert cactus gardens and retail cactus nursery.
   http://www.cactuscactus.com/

Arid Lands Greenhouses  
   Arid Lands, one of the world's largest growers and sellers of succulent plants specializing in very rare species.
   http://www.aridlands.com/

Holly Gate Cactus Nursery  
   A unique reference collection of over 30,000 mature plants set in an attractively landscaped 10,000 sq. ft. of glasshouses.
   http://www.users.globalnet.co.uk/~tmh/

MacCactus Cactus and Succulent Nursery  
   We have more shapes than you can imagine, including tall, ball, hot air balloon, irregular, bunny ear, and spikey looking plants.
   http://www.maccactus.com/

The Great Petaluma Desert  
   Providing the San Francisco Bay area with quality succulents since 1975. Large selection of rare and exotic succulents, particularly caudiciforms at competitive prices.
   http://gpdesert.com/

John Shelley's Garden Center & Nursery, Inc.  
   All the cacti featured here are hardy to USDA Zone 5 with proper siting, and were grown from seed collected from diverse locations such as within sight of Devil's Tower National Monument, the Kaibab plateau of The Grand Canyon, and various sites on the ea
   http://www.gdnctr.com/cactus.htm

Serra Gardens  
   A Southern California nursery specializing in high-quality succulents including Cacti, Aloe, Agave, Euphorbias, and many other drought tolerant plant materials.
   http://www.cacti.com/

Cactuskwekerij Stolk B.V.  
   Seeding and growing for 20 years in a small greenhouse, expanded the nursery to 2.5 acres three years ago.
   http://www.cactus.caiw.nl/

Robert Scott Cacti  
   The plant listings are my current sales lists of Haworthias and related genera. Most of these have been propagated vegetatively from plants originally obtained from Steve Stringer.
   http://ourworld.compuserve.com/homepages/Rob_Scott/

Rivenrock Gardens  
   An organically certified edible and landscape cactus plants nusery. Located on the California Central Coast, shipping virtually spineless cactus plants.
   http://www.rivenrock.com/

The Cactus Hut  
   Specializing in live cactus plants and gardens, and a variety of Southwestern gifts and decor.
   http://www.cactushut.com/

San Marcos Growers Nursery  
   Currently there are 20 acres in nursery production with an additional 2 acres dedicated to cutting and demonstration gardens.
   http://www.smgrowers.com/

Burks' Nursery  
   Specialists in rare, seldom offered Haworthias and Gasterias.
   http://www.theamateursdigest.com/burks.htm