Ask a Question forum: large-leafed ivy species/varieties

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Name: Jai or Jack
WV (Zone 6b)
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Jai_Ganesha
Dec 16, 2017 10:22 AM CST
I'm helping somebody plan a garden and she wants ivy that has very large leaves, around 4"+. The only time I've ever seen ivy like this was in Kentucky in a Victorian neighborhood with original gardens from the 1800s. Most of the walls had these huge climbing roses on them but one had ivy that went about 20 feet up and had huge leaves. I remember (or think I remember?) it being called "Irish ivy."

When I search for "Irish ivy" I don't get results that large. The ivy I remember looks almost identical to regular English Ivy except that each leaf is extremely dark green (even the new leaves) and around 4"+ wide, and they may be flatter or it's possible I'm adding that detail in as time as passed. I'm wondering if instead of being a variety of Hedera helix it may have been a warmer-location ivy that managed to live there because it was in zone 7 on a south-facing wall but would normally belong further south.

I do remember taking pictures of the leaves because they were massive, but as luck would have it, it's been 10 or 12 years and I can't find them now.

Any thoughts?
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Name: Caroline Scott
Calgary (Zone 4a)
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CarolineScott
Dec 16, 2017 10:32 AM CST
Check out :
The American Ivy Society ?

They have thumbnails of several.
Name: Jai or Jack
WV (Zone 6b)
Om shanti om.
Container Gardener Region: West Virginia Multi-Region Gardener Garden Photography Amaryllis Zinnias
Gardens in Buckets Annuals Houseplants Plant and/or Seed Trader Birds Garden Ideas: Level 1
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Jai_Ganesha
Dec 16, 2017 10:43 AM CST
I have done that. It's not as helpful as it would seem because the leaf sizes are not immediately apparent.
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Name: Will Creed
NYC
Professional indoor plant consultan
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WillC
Dec 16, 2017 2:47 PM CST
I believe you are looking for Hedera Hibernica.

Here is a link: https://www.rhs.org.uk/plants/...
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
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Name: Jai or Jack
WV (Zone 6b)
Om shanti om.
Container Gardener Region: West Virginia Multi-Region Gardener Garden Photography Amaryllis Zinnias
Gardens in Buckets Annuals Houseplants Plant and/or Seed Trader Birds Garden Ideas: Level 1
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Jai_Ganesha
Dec 17, 2017 10:06 AM CST
That's it! Thank you!

Curious that it is not available in the United States. Now I wonder if it really has been growing there in Kentucky since Victorian times.
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Name: Rick R.
Minneapolis, MN, USA zone 4
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Leftwood
Dec 17, 2017 12:34 PM CST
All English ivy (Hedera helix) will grow uncharacteristically large and less dissected leaves in the adult stage (when it has the propensity to produce flowers and fruit). But the reality is that English ivy grown inside the house stays in the juvenile stage, and would almost never reach that maturity. Grown outside in the most of the northern US it is rather rare, but it can happen. However it is quite possible for English ivy to reach maturity in Kentucky, and have those big leaves.
Name: Paula
NYC suburbs (Zone 6b)
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Turbosaurus
Dec 18, 2017 2:15 AM CST
It does grow all the way up here in NY (I'm confident assuming its Hedera helix due to its annual fruit) and I really recommend against it.

Its invasive and requires a good deal of trimming - monthly if not weekly May-Frost In NY. South of here its longer. If you don't trim regularly it can really damage structures - retaining walls, the house itself.. if you have a lazy summer by fall you could be in real trouble b/c you can't just pull it off cleanly- the roots will stay Crying .

Its so hard to control, it spreads so fast- at peak season you're looking at nearly half an inch a day, 3-4" a week- Its better than some other varieties because it takes hold slower, but it is the bane of my existence and I wish I never heard of it.
Name: Jai or Jack
WV (Zone 6b)
Om shanti om.
Container Gardener Region: West Virginia Multi-Region Gardener Garden Photography Amaryllis Zinnias
Gardens in Buckets Annuals Houseplants Plant and/or Seed Trader Birds Garden Ideas: Level 1
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Jai_Ganesha
Dec 18, 2017 11:40 AM CST
Thank you all. In the back of my head I think I knew that the climate influenced the size but I just did not put two and two together. I'm so glad I asked this question.
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