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Common Lawn Weeds
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Chamberbitter
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- Summer annual broadleaf weed.
- Also called "gripeweed" or "cannonball weed".
- Often referred to incorrectly as "little mimosa".
- Upright growing weed with strong taproot.
- Leaves are thin, smooth-margined, oblong, arranged in two rows on the branchlets.
- Inconspicuous flowers.
- Reproduces by seed; seeds have a strong light requirement for germination.
- Fruit is a round, warty capsule without a stalk, singly attached to the underside of the branches.
- Each fruit capsule contains 6 seeds.
Control Methods
- Hand Removal or Hoeing.
- Proper mowing height, fertilization, soil pH.
- Herbicides:
- Preemergence - atrazine*. (Apply in spring after green-up).
* Excellent tolerance in centipede and St. Augustine grass.
- Postemergence - combination of these products:
(Apply in late spring/early summer to small weeds).
** Use lower rates on centipede and St. Augustine grass.
Do not use within the root zone of desirable plants, especially dicamba.
Always Read the Label
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Many round caspules of seeds
under the leaves.
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