The corresponding term soft landscape materials is used to describe vegetative materials such as plants, grasses, shrubs, trees, etc.
to improve landscape or outdoor space.
A wide range of hard landscape materials can be used, such as brick, gravel, rock or stone, concrete, timber, bitumen, glass, and metals.
Hard-landscape materials like gravel may avoid the need for mowing, watering, fertilizing, and pesticides.
[2][3] Gravel lawns may also be useful in regions where grass doesn't grow well due to insufficient sunlight.