This section is from the book "The Gardener V2", by William Thomson. Also available from Amazon: The New Organic Grower: A Master's Manual of Tools and Techniques for the Home and Market Gardener.
Allow me to add my testimony to that of Mr Hammond's as to the value of the Kalosanthes as a decorative plant. I endorse all he has said in its favour, and agree with him as to the simplicity of its culture. Last August (1880) I put some cuttings in exactly as described by Mr Hammond with good results, each plant producing a fine strong head of flowers in June following, and proved very useful. I, however, had much better results from plants that were propagated in the beginning of May of the same year, as not only did the main shoots bloom, but the side shoots also. The way that we treat them is as follows : As soon as the plants show bloom, all the shoots that are not going to flower are taken off and inserted in 3 or 4 inch pots - 5 cuttings in a pot. When well rooted they are shifted into 5 or 6 inch pots, and kept in a close frame till well established. By the end of June they are hardened off, and plunged in ashes in the full sun, along with winter - blooming Geraniums, and receive the same attention, except that they require less liberal waterings. Our little plants for next year's bloom are still plunged out of doors (8th Sept.), and each plant shows from four to six side shoots, the strongest of which will produce bloom as well as the leading shoot.
Thus, with five plants in a pot you may depend on from fifteen to twenty heads of bloom. When taken indoors they are placed near the glass, along with Pelargoniums, and receive the same treatment as they do, till they come into bloom. In Sussex we have more sun and less rain than in Cumberland. In wet localities it would not be advisable to plunge them out, but grow in a frame close to the glass, and with plenty of air. R. Inglis.
 
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