31 JANUARY 1931, Page 17

HIGH SPEED TREES.

A question reaches me as to the best screening trees or shrubs. One of the trees that has most surely established itself in favour, with gardeners at any rate, though not with foresters, is cupressus macrocarpa. The world is in a hurry ; and high- speed trees are sure of popularity. It is altogether astounding how quickly this tree will make an evergreen screen of great height. Moreover, both colour and form are comely. Macro- carpa deserves its vogue ; but some other evergreens are much less slow in growth than is generally thought, and are therefore less popular than they should be. Perhaps most evergreens respond more than deciduous trees to generous treatment. - Even yews, if heavily manured, will grow fast enough to bear comparison with a privet ; and as a hedge