[CANUFNET] Tree Planting Programs

[stephen at ufora.ca]

I think the failure rate will go up in a few years when all the potted trees 
with circling roots being planted today get bigger and start to strangle 
themselves.  This has become the norm not the exception.

Stephen Smith
Urban Forester, ISA Certified Arborist
Qualified Tree Risk Assessor
Urban Forest Associates
www.ufora.ca
off 416-423-3387/cell 416-707-2164
-----Original Message----- 
From: Julian Dunster via CANUFNET
Sent: Thursday, November 07, 2019 12:27 PM
To: canufnet at list.web.net
Cc: Julian Dunster
Subject: Re: [CANUFNET] Tree Planting Programs

It is good to see the many planting initiates underway. It would be
useful to know how many of these include a capital budget for :

a) ensuring the trees get properly established ( so, say a 4-5 year
watering and weeding protocol) and

b) what the actual survival rates are.

Over the past few decades I have seen many well intentioned tree
planting schemes attracting headlines. Far fewer actually succeeded in
creating long term tree canopy. It is an ongoing issue.


Many of my municipal colleagues bemoan the waste of money as they plant
trees but have no budget to water them or maintain them in the years
after planting, and so the initial capital investment is largely wasted.
Out here on the west coast, summer drought is now our new reality and
watering restrictions are commonplace, and even when not enforced,
watering is expensive. On some sites I am finding it hard to locate
anyone who can water trees well -  as opposed to simply dumping x
gallons of water on the ground and assuming it will work.  I also find
that gator bags have very variable success. Just because they are there
does not automatically mean they work. They need filling regularly, and
they need maintenance. I am seeing a lot of case where they encourage
moulds / fungi and insect when placed too close to the tree trunk, and
other cases where ants seem to love the moisture but plug the drains
holes with mud.


How many of you have a capital budget to ensure planting success?

What is the percentage  failure rate of the trees planted?

jd

On Behalf of Dunster and Associates Environmental Consultants Ltd.


Dr. Julian A Dunster R.P.F., R.P.P.., M.C.I.P., ISA Certified Arborist,
ASCA Registered Consulting Arborist # 378,
ISA Tree Risk Assessment Qualified
Honourary Life Member ISA + PNWISA

North American distributor for Rinntech
www.dunster.ca
www.treelaw.info
www.rinntech.info

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