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One of the grandest of evergreens, the Canadian hemlock forms handsome hedges and screens, and is also magnificent planted as a specimen tree or in forest-like groves. Its fine-textured, slightly cascading branches form a broad pyramid. The dark-green needles of the Canadian hemlock feature silver banded undersides.
Woolly adelgids are devastating East Coast Canadian hemlocks, but can be controlled with seasonal applications of horticultural oil. Mountain hemlock is less graceful, in habit, but more resistant to the adelgid.