[CANUFNET] Information needed about tree spading

[David Stevenson]

Hello everyone,
 
I am looking for information about tree spading. As 
background, there is a large development planned for Thunder Bay which will 
involve new construction in an area with trees that were planted approximately 
25 years ago. About 150 trees are affected (a mix of white spruce, scots pine, 
white birch, green ash, and mountain ash). It is hoped that most of them can be 
saved by spading them, but it is unclear what size (dbh? caliper?) of tree can 
be spaded with some degree of success. What are expected survival rates? Are 
there species of tree that fare better when spaded? What kind of costs are to be 
expected? What kind of watering/ soil amendment/ fertilizer/ hormone treatments 
might be needed? Are there any contractors that would be able to do this work 
that come with a good recommendation? Any information on the subject would be 
welcome.
 
Writing as President of Trees Thunder Bay, 

 
David Stevenson, MScF, 
RPF
Consulting 
Forester,
KBM Forestry 
Consultants Inc.
807 345-5445 
x239





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