controlling St. John's wort


Old 10-05-03, 10:11 AM
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controlling St. John's wort

The St. John's Wort in my neighbor's garden is invading my flower garden. Is there any way to stop/kill it, or at least slow it down?
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Old 10-05-03, 01:11 PM
Join Date: Nov 2001
Location: Taylors, SC
Posts: 9,483
St. John's Wort spreads by surface runners. Its waxy leaves make it hard to control chemically. A mix of physical barrier, pulling plants, and spraying with a non-selective herbicide, such as: Roundup, should take care of the spread.

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