[CANUFNET] Tree of Heaven RE: CANUFNET Digest, Vol 89, Issue 5

Sun Jun 10 12:29:14 EDT 2012

It will take me a bit of time (that I don't have at this point) to dig
through my files to verify, but isn't Tree of Heaven considered invasive or
potentially so in Ontario?  Iola Price

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On Behalf Of canufnet-request at list.web.net
Sent: June 10, 2012 12:00 PM
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Subject: CANUFNET Digest, Vol 89, Issue 5

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Today's Topics:

   1. Re: CTLA appraisals in Ontario (Oliver Reichl)

----------------------------------------------------------------------

Message: 1
Date: Sat, 9 Jun 2012 11:40:07 -0400
From: Oliver Reichl <careofthetrees at gmail.com>
To: Canadian Urban Forest Network <canufnet at list.web.net>
Subject: Re: [CANUFNET] CTLA appraisals in Ontario
Message-ID:
	<CA+3+qfHDZ4KeDoddcVasNoMt1ZTMNCFsK16ibR+V+CHt2ewROw at mail.gmail.com>
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Thanks Alex/Ian/John for your replies. Some comments:

1) ISAO is apparently out of supplements and all they gave me was a
photocopy of the list of species ratings. No worksheet. Anyone have a pdf of
the whole supplement and wanna share?
2) Things started with native species on this site, and I'm very partial to
keeping it that way. Of course, I'd also prefer stock from locally sourced
seed. I chose *Ulmus americana* 'Princeton' because its apparently DED
resistent, still the same species, and available in the client's area, even
if it probably isn't genetically "local".
3) For sumac, in the absence of a worksheet, I'm leaning towards the species
rating for Tree-of-Heaven (because of similar leaf shape, similarly
soft-wooded, and its low rating).
4) Both "scrubby" and "tree form" Manitoba maples occur on the site. I like
Alex's *Acer* alternates, and am also considering *A. saccharinum*.
Basswood has also been suggested to me, I presume because its similarly
soft-wooded and also inclined to be multi-stemmed).
5) Yes, big quotes take time to put together, but I definitely share Ian's
opinion on this. Paying for one quote is one thing, but 3x or more can get
pricey pretty quick. I think my future response will be to spontaneously
levy a "quote administration fee" equal to the amount someone wants for
submitting a quote. They probably won't like that one bit, but odds are that
anyone who's that focused on profiteering isn't gonna be your lowest quote
anyway.

Cheers,

Oliver K. Reichl, B.E.S.(Hons)
Consulting Arborist-Ecologist
ISA Certified Arborist #ON-1178A
18 Larue Mills Rd.
1000 Islands, ON  K0E 1R0
Tel: 613-923-8833
Email: careofthetrees at gmail.com
Web: www.oliverkilian.com/treecare

On Wed, Jun 6, 2012 at 1:22 PM, Hennessy, John
<John.Hennessy at brampton.ca>wrote:

> Ian and Oliver,****
>
> ** **
>
> We have been monitoring our Zelkovia over the past two years. Not a 
> long history, however we have had enough winter kill in exposed areas 
> to adjust our expectations . Our Zelkovia planted in the spring did 
> moderately better than those planted in the fall. However, any 
> Zelkovia planted with open north westerly exposure, did 
> poorly.(60%mortality, 30% pedestal suckering mess?s!). ****
>
> This is the second positive comment with regards to ?sensation?. We 
> will be adding ?sensation to our list 2013, thank you. Our ?pioneer? 
> and ?homestead? are hardy where the Zelkovia fell short. We use all 
> three, in desirable and undesirable sites, to continue to diversify.  
> ****
>
> ** **
>
> John Hennessy****
>
> City of Brampton****
>
> Forestry Inspector****
>
> ISA ON1193a ****
>
> ** **
>
> *From:* canufnet-bounces at list.web.net [mailto:
> canufnet-bounces at list.web.net] *On Behalf Of *Ian Wilson
> *Sent:* 2012/06/05 10:54 AM
>
> *To:* 'Canadian Urban Forest Network'
> *Subject:* Re: [CANUFNET] CTLA appraisals in Ontario****
>
> ** **
>
> Oliver,****
>
> ** **
>
> In the Pacific NW ISA Chapter we gave staghorn sumac a rating of 55.  
> In my area (interior British Columbia) sumac is somewhat invasive and 
> I would tend to rate it lower, although I have seen it used 
> successfully for stabilizing steep banks and it also seems to be very 
> drought resistant.***
> *
>
> ** **
>
> Acer negundo has a bad reputation for good reasons, but there is a 
> clone of Acer negundo that we have experimented with in the last five
years ?
> Acer negundo ?Sensation?.  It?s a male cultivar (no seeds or boxelder 
> bugs), it has an attractive reddish leaf colour (year round) and is a 
> medium size tree.  It is relatively fast growing so I suspect in the 
> long run it might have some of the weak wood and decay issues as the 
> Acer negundo species, but in the right place I think it might be a 
> good tree choice.  I have been impressed with this tree in parking lot 
> islands and in sidewalk cutouts where there is very limited soil and 
> harsh conditions that would kill most trees.  At a Canadian Tire 
> parking lot near my house I have watched some of these trees over the 
> last 8 years growing in very small volumes of soil and as a result 
> they are growing quite slowly, but they don?t seem to be showing any 
> symptoms of decline or stress and they aren?t lifting any asphalt (not 
> yet anyway) in spite of the lack of any root barriers.  ****
>
> ** **
>
> One tree that I?ve been impressed with as an American elm alternative 
> is Zelkova serrata.  We don?t have too many of them but they seem to 
> be very vigorous and well adapted to boulevards and difficult sites, 
> and quite
> attractive.****
>
> ** **
>
> I don?t think we?ve ever paid a nursery / landscaper for a quote ? I 
> would expect they would offer free quotes if they want our 
> business.****
>
> ** **
>
> Ian Wilson****
>
> City of Kelowna****
>
> ** **
>
> ** **
>
> ** **
>
> ** **
>
> ** **
>
> *From:* canufnet-bounces at list.web.net [ 
> mailto:canufnet-bounces at list.web.net <canufnet-bounces at list.web.net>] 
> *On Behalf Of *Oliver Reichl
> *Sent:* Monday, June 04, 2012 7:18 AM
> *To:* Canadian Urban Forest Network
> *Subject:* [CANUFNET] CTLA appraisals in Ontario****
>
> ** **
>
> Greetings:****
>
> ** **
>
> I'm doing a large appraisal project that has brought up a couple of 
> interesting issues. I'm keen to hear your opinions.****
>
> ** **
>
> 1) the Ontario supplement does not contain a species rating for 
> Staghorn sumac, *Rhus typhina*. What would you consider the best 
> alternative to use for a species rating? (I have one in mind ... just 
> curious to hear what others may have used and why).****
>
> 2) *Acer negundo* (crapwood) and *Ulmus americana* (disease-prone) are 
> not available in the marketplace. What would you consider the best 
> alternatives to use for replacement plant material? (Again, I have 
> ones in mind ... but curious to hear what others suggest or may have used
and why).
> ****
>
> 3) quotes for replacement trees and their delivery/installation are an 
> integral part of the valuations. How much, if anything, would you pay 
> a nursery or landscaping firm for a quote?
> ****
>
> ** **
>
> Looking forward to any replies,
>
> Oliver K. Reichl, B.E.S.(Hons)
> Consulting Arborist-Ecologist
> ISA Certified Arborist #ON-1178A
> 18 Larue Mills Rd.
> 1000 Islands, ON  K0E 1R0
> Tel: 613-923-8833
> Email: careofthetrees at gmail.com
> Web: www.oliverkilian.com/treecare****
>
> Please review the City of Brampton e-mail disclaimer statement at:
> www.brampton.ca/en/Info-Centre/Pages/Privacy-Statement.aspx
>
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