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My goal in treating your Hemlocks is to help you save as many of them as possible
from the Woolly Adelgid at the lowest possible cost.

Key Benefits

Typical Treatment Sequence

1. Mixing the chemicals
according to label

2.  Measuring the tree to
calculate diameter at
breast height (dbh)

3. Filling the injector,
being careful not to spill

4. Making the correct
number of soil injections
around the base of the tree


5. Or applying the chemical
as a soil drench if appropriate

6. Marking the tree
to show it was treated

7. Setting up the pump
at a nearby stream/pond

8. Watering the tree to
encourage proper uptake,
as necessary

Treatment Methods


Early detection and treatment are SO important
for preserving the health of your Hemlocks
and minimizing the cost of treatment.


Estimating the Costs

The cost is based on the number and size (diameter) of the trees, level of infestation, difficulty of the terrain, and the chemical used.  I evaluate each situation on an individual basis, use my "good neighbor" rates, and do not add any charge for travel. 

As a general rule, one injection is required for each inch of tree diameter at breast height.  Here are some examples of figuring an estimated cost.

Additional Services

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Send e-mail to markshearer@windstream.net with questions or comments.
Copyright 2009 The Hemlock Doctor                Last modified: 07/09/09.