1t a plot is too long and narrow, the difficulty can be overcome with rapid-growing vines on well-placed harbours as well as by massing shrubs in symmetrical groupings. In the other extreme of a short square plot, an effect of depth may, for example, be achieved by a diagonally' set walk, using tall growing background material balanced by a low feature. An informal pool may have a rock den or woodland plants as a setting.
For busy city dwellers with little time for practical gardening, there is often a particular advantage in the more permanent and set formal pattern, varied only by seasonal blooming plants. For shady locations especially an all-green garden, with
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