Formal Garden
A formal garden is a garden with a clear structure, geometric shapes and in most cases a symmetrical layout.
Informal Garden
Naturalistic and usually includes asymmetrically placed design elements, naturally shaped plants and beds, curved spaces, rustic-looking furnishings, and more casual pavings, like decking and even wood chips.
Asymmetrical Garden
Designed around a central point, which may be an object such as a plant, a front door, a tree, or a container. ... You can have either symmetrical or asymmetrical garden design layouts. A symmetrical garden design is equal on both sides of the central point.
