The best rootstock for grafting cactus, in terms of overall ease, is Myrtillocactus geometrizans, or Blue Myrtle. Several other varieties get high marks for specific situations, such as Stenocereus pruinosus for pest resistance, Hylocereus undatus (Dragon Fruit) for natural growth form and Pereskiopsis spathulata for scion growth speed.
About this Author
Thomas K. Arnold is the publisher and editorial director of Home Media Magazine and a regular contributor on entertainment to "USA Today", "The Hollywood Reporter," "San Diego Magazine" and other publications.
An alumnus of San Diego State University, Arnold has appeared on such TV shows as "CNN", "E! Entertainment" and "G4's Attack of the Show" to discuss home entertainment and technology issues.