. 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. 490 DIPLADENIA DIPLADENIA used sparingly until it is desired to start the plants into fresh growth. For points concerning training and pruning, consult Gn. 5:18. Gho. McWilliam. Few tropical plants excel the Dipladenias as green- house twining plants, their handsome sprays of flowers being produced in profusion
. 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. 490 DIPLADENIA DIPLADENIA used sparingly until it is desired to start the plants into fresh growth. For points concerning training and pruning, consult Gn. 5:18. Gho. McWilliam. Few tropical plants excel the Dipladenias as green- house twining plants, their handsome sprays of flowers being produced in profusion from May to November, when well grown. The usual method of propagation is by 1- or 2-iointed cuttings of the well ripened growths inserted in sand with brisk bottom heat, when they will usually root very readily. Seeds are not often produced in this genus, though occasionally well grown plants will produce seeds, which should be sown as soon as ripe, in pans of light, peaty soil, with a goodly proportion of silver sand mixed with it, and the pans placed in a warm, moist atmosphere. If given good attention the seedlings will flower the first year. Dipladenias thrive best when potted in fern or kalmia root fiber only. The potting should be attended to in early spring, just before active growth commences. Care must be taken not to injure their tuberous roots, as this will result in weak- ening very materially the vitality of the plants. Great care must also be exercised in watering until the plants are in active growth, when they will require an abun- dance of water at the roots; they are also greatly bene- fited by an occasional watering of clear liquid cow- or sheep-manure water. Frequent spraying of the foliage will also be necessary to keep down the attacks of in- sects. Dipladenias do best when grown in full sunlight, the roof of an unshaded greenhouse being well suited to them. The pots should be covered with some non- conducting material, however, such as sphagnum moss, to
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