Answer: Any ivy will attach itself to vinyl siding by means of suction cup appendages called "peds". If you plant ivy at the base of a structure it will scramble up and eventually attach itself. The latest research indicates that climbing ivies do not harm siding. However, it's possible the ivy could stain the vinyl -- a problem should you ever decide to remove the ivy. I would call the company that installed the siding and see if they have any recommendations. Make sure the warranty won't be invalidated if you grow ivy on the siding.
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