PLANTS VALUABLE FOR USE IN ROCK GARDENS, IN JAPANESE GARDENS, AND IN WALL CREVICES : Page 332
and the wild pink are considered to be true crevice plants, and theyshould be used only for that purpose in rock garden work. Theseplants have a type of environment equally as much as persons oranimals and under which they thrive best. The beginner who isdeveloping this type of garden should therefore only use the morecommon types of plants which have withstood the abuse of " amateurs "and should make use of the specialized plants only after a thoroughknowledge is gained concerning them.
One writer has said concerning the development of a rock gardenthat the designer should "have an idea and stick to it." We see somany rock gardens which are so-called and which in reality are onlya miscellaneous pile of stones. Rock gardens in their true senseare an imitation of some condition of nature, both from their physicalmakeup and from their planting. We should therefore make adouble effort to strive toward the development of the idea.