You do as much or as little as you like.

Jan 09, The eastern hemlock, a once-great species of tall evergreen which spread from eastern Canada to central Alabama, is on the path to extinction. The massive range has fallen at the hands of the hemlock woolly adelgid, a small sap-sucking aphid-like insect that spread like wildfire among the thick stands in the eastern United States.

The massive range has fallen at the hands of the hemlock woolly adelgid, a small sap-sucking aphid-like insect that spread like wildfire among the thick stands in the eastern United States.

Jun 15, Canadian hemlock trees do not need much pruning unless limbs are damaged by weather or disease. Prune in spring and early summer because the tree is in active growth and will easily recover. Avoid pruning hemlock trees in fall or winter because the tree will become confused, returning to active growth instead of going dormant to withstand the shrubpruning.barcal Name: Tsuga canadensis. Quick Key to Identifying Hemlock. Needles have 2 white"racing stripes" on the underside.

Fir needles have similar stripes. Conical to egg-shaped (more or less); fine branches give this tree a lacier appearance than spruce, fir or pine. The topmost branch often points away from the prevailing wind.

Nov 18, In fact, the hemlock tree loses water during winter, and failing to water the tree properly during the late fall can result in dehydration and death. During the late autumn, the hemlock tree begins to conserve water, so careful watering and mulching during this time can help the tree to survive the winter. The hemlock is also vulnerable to a number of shrubpruning.barted Reading Time: 3 mins. Larger hemlocks that are infected have large relatively high root systems that can bring other trees down if one falls.

The foliage of young trees is often browsed by. Hemlock in Distress! Please help! fizorzed. 13 years ago. Hi all. We planted a mature Hemlock (approx 7 feet tall) late summer last year.

This tree needs a well-balanced fertilizer about once a year.

It was very full and green. However I have noticed a remarkable decline in it's appearance over the fall and winter months. It lawsuit tree falling as some browning and dropped needles in spots but currently has spread to.