Rock garden is an important feature of a garden. The real rock garden is one which mimics a mountain range. These gardens should be set out on some definite idea which may be replica of a particular mountain in miniature form or the strong slope of a hill. 

There are three kinds of rock garden.

• First is purely ornamental, which is required to be constructed with a great deal of artistry and science. 
• Second, rock garden is developed on the basis of close imitation of the geographical formation of a fragment of mountains in which grown plants are more or less natural to it. 
• Third, it is solely concerned with the cultivation of plants from high mountains.

Plants for rock garden: In sunny situations large number of hardy but attractive plants including cacti and succulents, some conifers, dwarf and low growing flowering shrubs, bulbous plants, hardy annuals can be grown. While for shady situations, shade plants like Aspidistra sp, Maranta sp, Aglaonema sp., Calthea sp etc can be grown.