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We're very fortunate that English ivy doesn't naturalize here. In the
Seattle area, Hedera hibernica and H. helix 'Baltica,' 'Pittsburgh,' and
'Star' are behaving much the way kudzu behaves in the southern U.S.,
creating "ivy deserts" where nothing else grows. There is an amazing picture
at the http://www.ivyout.org website of trees simply smothered in ivy. This
organization regularly sends work parties into infested areas in an effort
to remove ivy. It's back-breaking work.
I've assumed that ivy is not a problem here because the winters are too
cold, but if we continue to have mild winters, I wonder whether that would
change.
Wild Flora
From: naturens-owner@chebucto.ns.ca [mailto:naturens-owner@chebucto.ns.ca]
On Behalf Of c.majka@ns.sympatico.ca
Sent: Wednesday, August 08, 2007 9:39 AM
To: naturens@chebucto.ns.ca
Subject: Re: [NatureNS] Nova Scotian ivy question
Hi Steve,
European Ivy is in the genus Hedera, in the family Araliaceae. It's not
native here and hasn't become naturalized anywhere in Nova Scotia. I don't
know if there is any planted in Nova Scotia, but even if there is, I think
it it would probably be unlikely to have associated insects. Wish I could
provide more information.
Cheers!
Chris
On 7-Aug-07, at 11:59 PM, Stephen Shaw wrote:
Hi all,
A biologist who's briefly visiting from UK and who I mentioned here earlier
has
just asked me if there is any native ivy in Nova Scotia. We have had
considerable success in collecting locally several species of jumping bugs
(Homoptera -- treehoppers, leafhoppers, froghoppers -- thanks Chris and
others
for earlier info on these). He's also interested in a particular group that
in
UK lives exclusively on the dark green creeping ivy that is common climbing
up
walls and buildings there (I don't know the species name). He's interested
in
the phenomenal jump mechanism of this varied group of jumpers, which has
something in common with the operation of a crossbow.
Does anyone have any ideas to offer on ivy? If so, could you recommend a
location for ivy in or fairly near Halifax (say as far as Wolfville) that we
could visit? Alternatively, presumably there will be some stands of
introduced
UK ivy over here as well. I know where to find some Virginia Creeper, but
which I suspect may not be closely related.
Any info would be welcome even if it is negative on the presence of "ivy".
He is
here only for another 10 days.
Steve
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.
Christopher Majka - Nova Scotia Museum of Natural History
1747 Summer Street, Halifax, Nova Scotia, Canada B3H 3A6
(902) 424-6435 Email <c.majka@ns.sympatico.ca>
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.
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<p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>We’re very fortunate that English ivy doesn’t
naturalize here. In the Seattle area, Hedera hibernica and H. helix =
‘Baltica,’
‘Pittsburgh,’ and ‘Star’ are behaving much the =
way
kudzu behaves in the southern U.S., creating “ivy deserts” =
where
nothing else grows. There is an amazing picture at the <a
href=3D"http://www.ivyout.org">http://www.ivyout.org</a> website of =
trees simply
smothered in ivy. This organization regularly sends work parties into =
infested
areas in an effort to remove ivy. It’s back-breaking =
work.<o:p></o:p></span></p>
<p class=3DMsoNormal><span =
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<p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I’ve assumed that ivy is not a problem here because =
the
winters are too cold, but if we continue to have mild winters, I wonder =
whether
that would change.<o:p></o:p></span></p>
<p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";
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<p class=3DMsoNormal><span =
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color:#1F497D'>Wild Flora<o:p></o:p></span></p>
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