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Subtropical Shrubs: Chairman, Department of Horticulture and Forestry, The Ohio State University.
FRUITS, Tropical and subtropical shrubs.—Popularly speaking, tropical and subtropical shrubs fruits are those native to the tropics and near-tropics, and little or no distinction is made between them. From the horticultural viewpoint, these fruits comprise two of the three groups into which allj fruits are classified on the basis of their climatie requirements, tolerances, and adaptations. Thisj classification is basic to an understanding of requirements for successful commercial fruit! production, and places all the perennial fruitj bearing plants into three broad classifications-tropical fruits, subtropical shrubs fruits, and temper; zone fruits.
Grass, growing in the shade of trees and shrubs, has to compete with them for food as well as moisture. Relieve the pressure of this competition by providing for the needs of the trees and shrubs as •well as the grass. Fertilize the lawn regularly and also the trees and shrubs. So far as possible, place the fertilizer intended especially for the trees and shrubs deep in the soil so that their roots are encouraged to strike downward. This may be done by using the method described below. Fertilizer intended primarily for the grass is applied at the surface.
SHRUBS ARE commonly grouped either with other shrubs or with herbaceous plants and annuals, but some kinds look their best planted as isolated specimens and some can be trained against walls. Magnolia stellata is an excellent example of the former type and pyracantha, Japanese quince (Chaenomelesjaponica), and ceanothus all do well against walls, where their stiff branches may provide support for genuine climbers, such as the less rampant varieties of clematis. Most shrubs take several years to attain their full size. In the meantime, temporary plants, such as dahlias, annuals and herbaceous perennials, can be used to fill the space until the shrubs require it all. |
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