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In the group of plants which should be divided at least every twoyears are included a few of the more vigorous types of the garden phloxtogether with the boltonia and the bee-balm. There is a group of perennials which should be divided on theaverage of once every three years. They will not be benefited throughthe process of being divided at more frequent intervals. This listincludes the common garden phlox, painted daisy, most types of thelarkspur, the lily-of-the-valley, a few asters, and the hardy sun-flowers.The common impression with reference to the lily-of-the-valley is thatit should not be divided or transplanted after the time of transplantingthe original plants. Those persons who have had an intimate acquain- |
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