"Vox Humana" wrote:

The local radio garden show host claims that Round-Up will not kill English
Ivy. You try that on a small area to see what happens. You could also pull
the existing weed and then put down some Preen for Groundcover.

Research shows that English Ivy should be sprayed with a 2 or 3%
solution of Roundup-Pro (glyphosate) when 3 to 5 fully expanded new
leaves exist (early spring). Mature leaves are less receptive to such
control so the timing is critical.

This same control works with black berries, greenbrier, and similar had
to control waxy materials.

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