Precautions to Observe. Pruning should be done only with adefinite ideal and after arranging an intelligent program. No setrules can be offered. Climatic conditions may cause rules correct inone locality to prove valueless in another, and plants of the samespecies often vary in their habit of growth at different ages, andmust be pruned accordingly. Pruning should be entrusted only toa careful workman. It is too common practice in pruning to haveshrubs and trees with all the tips lightly snipped off with regularity;or to have trees with the main and lateral branches ruthlessly lopped
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off. The natural habit of the plant should be known and this formpreserved when removing any wood. This fact should always be keptin mind except in the case of shrubs or trees which are to be trained inartificial shapes.