On Mon, 19 Mar 2007 09:09:28 CST, Gill Passman wrote:

Yep, that's the one......I do find it strange that you are both
reporting it's destructive nature - now ivy is a different matter.

Yes, ivy is a vine, where wisteria is more shrub/tree like in that the
stems get thicker as it grows, thus if it grows into a crack, it will widen
that crack over time. Amazing the strength of plant growth. ~ jan
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Zone 7a, SE Washington State