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The standard layout for a rock garden consists of a pile of aesthetically arranged rocks in different sizes, with small gaps between in which plants are rooted. Typically, plants found in rock gardens are small and do not grow larger than 1 meter in height, though small trees and shrubs up to 6 meters may be used to create a shaded area for a woodland rock garden. If used, they are often grown in troughs or low to the ground to avoid obscuring the eponymous rocks. The plants found in rock gardens are usually species that flourish in well-drained, poorly irrigated soil.
Some rock gardens are designed and built to look like natural outcrops of bedrock. Stones are aligned to suggest a bedding plane, and plants are often used to conceal the joints between said stones. This type of rockery was popular in Victorian times and usually created by professional landscape architects. The same approach is sometimes used in commercial or modern-campus landscaping but can also be applied in smaller private gardens.
The Japanese rock garden, often referred to as a Zen garden, is a special kind of rock garden with water features, moss, pruned trees and bushes, and very few plants.
Rock gardens have become increasingly popular as landscape features in tropical countries such as Thailand. The combination of wet weather and heavy shade trees, along with the use of heavy plastic liners to stop unwanted plant growth, has made this type of arrangement ideal for both residential and commercial gardens due to its easier maintenance and drainage.
Although the use of rocks as decorative and symbolic elements in gardens can be traced back to early Chinese and Japanese gardens, rock gardens dedicated to growing alpine plants have a shorter history.
During the Golden Age of Botany (early 1700s - mid 1800s), there was widespread interest in exotic articles imported to England. Although others had previously written about growing alpine plants, it was Reginald Farrer that started this tradition with the 1919 publication of his two-volume book, The English Rock Garden.
Kew Rock garden, Kew Gardens
- Garden design
- Rock Garden, Chandigarh in Chandigarh, India
- Nek Chand, creator of the Rock Garden in Chandigarh, India.
- Reginald Farrer, field botanist and author of My Rock Garden.
- "Rock Gardening: plants". Royal Horticulture Society. Retrieved 21 March 2016.
- "Sink and trough gardening". Royal Horticulture Society. Retrieved 21 March 2016.
- Warren, William (1996). Thai Garden Style. Singapore: Asia Books Co., Ltd.
- "Thai Rock Gardens". Thai Garden Design. Retrieved 12 February 2013.
- "Plant Maintenance a Pain? Stone Gardens Are the Way To Go!". Thai Garden Design. Retrieved 12 February 2013.
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