This section is from "The Horticulturist, And Journal Of Rural Art And Rural Taste", by P. Barry, A. J. Downing, J. Jay Smith, Peter B. Mead, F. W. Woodward, Henry T. Williams. Also available from Amazon: Horticulturist and Journal of Rural Art and Rural Taste.
It is singular that a family of plants so rich in color as this is should not have been, until recently, more generally cultivated, for certainly a more gorgeous bed for the flower-garden, than one produced by a few dozens of Bouvardias planted side by side, it would be difficult to imagine. Years back, in. some old gardens in the north of England, Bouvardias used to be seen in great abundance, and presented splendid masses of color in the old mixed borders, and also as pot specimens for the greenhouse stage. They are propagated with great facility, both by cuttings of the young wood and by pieces of the roots cut into lengths of one inch each. In both cases the cuttings should be placed in a gentle bottom heat, and those formed of ,the young shoots must be kept tolerably close. When they have grown to the length of one inch, pot them singly into small pots in a light rich Compost, and nurse them with care until they are established. Old plants, while in a dormant state, may also be increased by divisions of the plant, as each shoot with a root to it will make a plant. Plants so obtained, or from cuttings of the previous year, are the best for planting out in the flower-garden, as, if they are not strong, they rarely flower satisfactorily.
The proper time to divide the old plants is in March; each part should be potted in rich light compost, such as loam, leaf-mould, and rotten dung, and they must then be placed in a forcing-house or hotbed to induce them to start vigorously, and until they are thoroughly established. Afterwards move them to the air, so as to get them thoroughly hardened by the time they are planted in the garden in May. The soil in which they are planted should be rich, deep, and well drained, and the situation must be rather sheltered. During the winter the plants may be kept dry under the greenhouse stage, or in a shed or cellar. - London Florist.
 
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