I have a 20-year-old Canadian hemlock hedge at 5-feet tall. Many of the hemlocks in my neighborhood have woolly aphids on them. I just discovered a few of mine have a small outbreak on them.

The Canadian or Eastern hemlock (Tsuga canadensis ... The taller you want your hedge or screen, the farther apart you should plant your trees. Tree books say hemlocks make good hedges, but ...

The standard solution used to be a shade-tolerant hedge of Canadian hemlock, but few people are planting this since it came under attack from a newly arrived pest, the woolly adelgid, and requires ...

Although it is a native species, the eastern or Canadian hemlock is rare in the Fairfax area. The cool stream valley of Scotts Run Nature Preserve in McLean, however, is an ideal environment for a ...

The taller you want your hedge or screen, the farther apart you should plant ... According to "Trees, Shrubs and Vines for Attracting Birds," by Richard M. DeGraaf, Canadian hemlock is used by more ...

The Facebook page for George Washington's Mount Vernon posted photos of the felled tree and said the storm brought down a "227-year-old Canadian Hemlock, as well as a Virginia cedar that stood ...