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Chamberbitter Weed in the Landscape

In Talk across the fence

By Randy Reeves
Sept. 20, 2017 at 2:06 p.m.

Chamberbitter (Phyllanthus urinaria) is also known as gripeweed, leafflower or little mimosa. It is a warm-season, annual, broadleaf weed that emerges from warm soils beginning in early summer. It reproduces by seeds, which are found in the green, warty-like fruit attached to the underside of the branch.
Chamberbitter grows upright and has a well developed taproot. The leaves are arranged in two rows on the branchlets and are thin and oblong, with smooth margins, resembling a mimosa seedling.

It's late for treating this weed this year, it would be better to wait until next spring or early summer to treat postemerge. A pre-emerge herbicide will also work, timing is everything with a pre-emerge herbicide. This would need to be treated in mid April, before the weed germinates. This weed is very common here in the East Texas and Longview area and we get many calls on this.



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