[CANUFNET] How big a tree can be moved? (Without killing itthat is)

[Tony Puddicombe]

The best way to move a large tree is to prep it first. A local nursery
moves their large trees every 3 years. When you buy a 25 foot Douglas
Fir from them it has a large amount of fine root growth inside the root
ball. They recover quickly from the move. Unfortunately, most
development is rush- rush and does not allow this type of planning.
 
 
Tony Puddicombe
Arboriculture consultant PNW #0400A
-----Original Message-----
From: canufnet-bounces at list.web.net
[mailto:canufnet-bounces at list.web.net] On Behalf Of David Stevenson
Sent: April 20, 2008 8:36 AM
To: Canadian Urban Forest Network
Subject: Re: [CANUFNET] How big a tree can be moved? (Without killing
itthat is)
 
Hi Jack,

Rules of thumb- that is the kind of information I am looking for,
thanks! I should therefore not concentrate on the DBH of the trees but
on the caliper and keep it under 11". What kind of watering regime is
recommended (ie for one season, two?). The park in which these trees are
to be moved is an old industrial brownfield  converted to park ~20 years
ago.  I have no clue what soil  underlies the area (It may just be
backfill). Soil pits in the park beckon I reckon.

Thanks again,

David Stevenson
----- Original Message ----
From: Jack Radecki <jackandali at sympatico.ca>
To: Canadian Urban Forest Network <canufnet at list.web.net>
Sent: Sunday, April 20, 2008 6:30:20 AM
Subject: Re: [CANUFNET] How big a tree can be moved? (Without killing it
that is)
I have moved lots of trees including Colorado Spruce with a 90 inch tree
spade. On clay sites the roots are very shallow and spreading. The rule
of thumb usually is one foot of soil for every inch diameter (caliper) 
Therefore up to 8 inch caliper but I have moved up to 11 inches as well
but require much TLC. Ant transplanted tree must be watered regularly to
ensure success anyways,
 
Jack Radecki
----- Original Message ----- 
From: David Stevenson <mailto:dcistevenson at yahoo.com>  
To: canufnet at list.web.net 
Sent: Thursday, April 17, 2008 8:37 AM
Subject: [CANUFNET] How big a tree can be moved? (Without killing it
that is)
 
Hello All,

I have been receiving conflicting information about the size of tree
that can be successfully moved with a tree spade. I have heard anywhere
from 18" dbh (from a contractor who wants to move the trees) to 5" dbh
(from a developer who doesn't want to pay to move them). While there is
no point in moving trees that are going to just give up the ghost, there
must be some diameter above which the success rate drops off
unacceptably. Just wondering if anyone has any experience in the matter.

The trees in question are predominantly Colorado Blue Spruce planted ~20
years ago from nursery stock. They range in dbh from 7-11" and 5-7m in
height.

Does anyone have any information about the successful moving of large
caliper trees or know of anyone or anywhere I can find this information?


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

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