Admirable/prefered characteristics of a natural environment are the most dominant factors in the visual dimension evaluation of them. This study consists of the evaluation of natural landscapes having different natural plant combinations. Form: Formal construction of natural landscape and their characteristics (unity, scale, proportion, rhythm, symmetry, module) their interaction, characteristics of surrounding elements (solid/void balance) and their interaction; Colour: Characteristics of natural landscape colours, harmony and contrast effects, light and dark colours, background effects. Texture: Textural characteristics of natural landscapes, hard-soft textures and their interaction. Light/Shade: the effect of light and shade, silhouette effect.