. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. GREENHOUSE GREENHOUSE 695 among amateui's. The housewife is always asking how to make her wax-plant bloom, without knowing that it would bloom if she would let it alone in winter and let it grow in spring and summer. What we try to accom- plish by means of fertilizers, forcing and other special practices may of
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. GREENHOUSE GREENHOUSE 695 among amateui's. The housewife is always asking how to make her wax-plant bloom, without knowing that it would bloom if she would let it alone in winter and let it grow in spring and summer. What we try to accom- plish by means of fertilizers, forcing and other special practices may often be accomplished almost without effort if we know the natural season of the plant. Nearly all Greenhouse plants are grown on this principle. We give them conditions as nearly normal to them as pos- sible. We endeavor to accommodate our conditions to the plant, not our plant to tlie conditions. There are some plants which it is possible to make bloom in ab- normal seasons, as roses, carnations, lilies : these we may force (see Forclug). But these forcing plants are few compared with the whole number of Greenhouse species. The season of normal activity is the key to the "whole problem of growing plants under glass ; yet many a young man has served an apprenticeship, or has taken a course iu an agricultural college, without learning this principle. The second principle from the plant side is this: The greater part of the growth should be made before the plant is expected to bloom. It is natural for a plant first to grow: then it blooms and makes its fruit. In the great majority of cases, these two great functions do not proceed simultaneously, at least not to their full de- gree. This principle is admirably illustrated in woody plants. The gardener always impresses upon the ap- prentice the necessity of securing "well ripened wood "of Azaleas, Camellias, and the like, if he would have good flowers. That is, the plant should have completed one cycle of its life be
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