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        8 Landscape Design Principles | Garden Design

        Landscape Design Basics Principles

        Landscape Design / January 5, 2019

        Department of Plant and Soil Science

        Landscape Design Basics OH 30

        Leonard Perry, Extension Professor

        The most efficient, functional, and aesthetically pleasing home landscape should be developed to satisfy the needs of
        the people who will use and maintain it. The planting design should be compatible with the existing environmental
        conditions or restrictions. But most important, the design should enhance the quality of life for the users. Good
        landscape design and the arrangement and placement of plants are all based on certain plant characteristics and
        time-tested design principles. The visual characteristics of plant size, form, texture, and color contribute to the
        functional and aesthetic qualities of a planting design.

        Plant size should be the primary consideration. Large plants, such as shade trees, should be located first; the smaller
        trees, shrubs, and finally the ground covers should be arranged to provide a sense of support or framework to the
        overall design. Shade and evergreen trees, such as maples or spruce, are the most dominant plants in the landscape
        design. They provide background, visual weight and structural framework. Ornamental trees, such as flowering
        crabapples and birches, are used as focal points or dominant elements because of their seasonal and often picturesque
        branching characteristics.

        Tall shrubs, such as viburnum and lilac, help establish vertical edges to an outdoor space, create screens, enhance
        privacy, or provide a neutral background. Small shrubs, such as junipers and cotoneasters, are also used to define
        edges and spaces without blocking views; they can connect and link unrelated or separate plants, and define areas and
        space on the ground.

        Form or shape is a second important consideration in a planting composition. The most common plant shapes are the
        spreading (cotoneaster, Hetz Juniper) and rounded (lilac, Norway maple) forms. These two basic plant forms have the
        most application in planting design; they create neutral patterns in contrast with more unusual forms of plants.
        Columnar and pyramidal-shaped plants, such as tall-hedge or Hicks yew, have visual characteristics that suggest
        vertical edges in an outdoor space. They create a major contrast with the more common rounded or spreading plants.
        The picturesque and weeping forms of plants, such as weeping birch or willow, are useful as accents or focal points in
        the planting design when used sparingly.

        Plant texture refers to the visual roughness or smoothness of a plant. The texture of the foliage, twigs, and branches is
        either coarse, medium, or fine. Texture effects are most visible at close range and in smaller landscape plantings.
        Coarse-textured plants, such as rhododendron or viburnum, tend to be dominant and attract attention. They usually
        have dense foliage or broad leaves. Fine-textured plants, such as shrubby dogwood or birch, appear delicate and tend
        to recede from view. They usually have fine foliage or needle leaves. In planting composition, medium-textured plants,
        such as crabapple, yew, or lilac, should dominate and contrast with either the coarse or fine textures.

        Color is one of the most visual plant characteristics. It includes the color of leaves, flowers, fruit, branches, and bark.
        Green is the predominant plant color, but has seasonal variations. With evergreens, the same color is present year
        round. The color of the summer foliage has the longest seasonal effect and the most importance in design composition.
        A variety of greens has more visual appeal when displayed against a uniform neutral green background. A common
        mistake is to use too many different colors. Plant color can be used as an attractor, to call attention to some area in the
        landscape. Dark-colored plants contrasted with light-colored plants create focal points in a planting composition.

        Source: www.uvm.edu