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Weed Control for Perilla Mint
Weed Control for Perilla Mint. Perilla mint, also known as beefsteak plant and Chinese basil, is a weed characterized by saw-like leaves that are purple and green. Controlling perilla mint requires both chemical and non-chemical approaches.
Perilla mint, also known as beefsteak plant and Chinese basil, is a weed characterized by saw-like leaves that are purple and green. Controlling perilla mint requires both chemical and non-chemical approaches.
Problems
Perilla mint contains ketones, which cause acute respiratory distress syndrome in several ruminants, including cattle and horses. Unfortunately, this disease is fatal. Moreover, perilla mint steals nutrients, water and sunlight from desirable plants and grasses.
Chemical Control
Several herbicides are effective against perilla mint, generally killing 80 to 90 percent of the weed. These herbicides include 2,4-D, Forefront, Milestone and Weedmaster. These herbicides do not injure grass forages.
Non-Chemical Control
Due to the increased toxicity in the flowers of perilla mint, the key to non-chemical control involves preventing flower formation. Do this by mowing before flowering (i.e. late April to early June). Where invasion is limited, the weeds can be pulled by hand or with a garden hoe.
