Mimosa Weed (chamberbitter) – Control
Q: I looked up the mimosa-like weed that was mentioned in your newspaper column and found it to be chamberbitter. It is all in my lawn and flower beds. Now that I know what it is, how do I kill it?
A: Chamberbitter (Phyllanthus urinaria) is a tropical weed that has become a major pest of lawns, landscapes and plant nurseries. Glyphosate (click for sources)
In a lawn, use one of the “three way” broadleaf weed killers (click for sources)
An effective organic herbicide is iron chelate (FeHDTA, Bonide Weed Beater Fe, Natria) (click for sources). See photos below provided by Chris T.
The best way to control the weed is to prevent it. Apply isoxaben (click for sources) pre-emergent herbicide in March and again in early June to areas where you will not be planting seeds for anything else. As with every herbicide, read the label and follow it exactly.
See also: Phyllanthus a Growing Problem in Georgia Landscapes
before spraying with FeHDTA
after spraying with FeHDTA
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