From labels and weed guides
Best herbicides for chickweed in oats
For chickweed in oats, the weed guides list 6 active-ingredient groups rated good or excellent, after checking that the products are labeled for oats.
Chickweed control in oats
Every listed product is labeled for oats. Ratings are shown when each weed guide that rates this weed stays at good or excellent for the active-ingredient group. If a guide gives a range, the weaker end of the range has to be good or excellent.
Based on 2 weed guides, 6 active-ingredient groups are rated good or excellent for chickweed in oats.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| ABUNDIT Edge EPA 352-922; same active ingredients on 80 other branded products | glyphosate | 9 | Ms Weed Guide 2025, ms burndown: E (PDF) |
| 2,4-D Amine 4 EPA 1381-103; same active ingredients on 74 other branded products | 2,4-d | 4 | Ms Weed Guide 2025, ms small grain: G (PDF) |
| Alligare Dicamba 4 EPA 81927-55; same active ingredients on 34 other branded products | dicamba | 4 | Ms Weed Guide 2025, ms burndown: G (PDF); Ms Weed Guide 2025, ms small grain: G (PDF) |
| Affinity BroadSpec EPA 279-9601; same active ingredients on 21 other branded products | thifensulfuron and tribenuron-methyl | 2 | WinField Crop Protection 2026, small grains: G (PDF) |
| Carnivore EPA 1381-249; same active ingredients on 2 other branded products | bromoxynil, fluroxypyr 1-methylheptyl ester, and mcpa | 4, 6 | WinField Crop Protection 2026, small grains: G (PDF) |
| Peak EPA 100-763; same active ingredients on 1 other branded product | prosulfuron | 2 | Ms Weed Guide 2025, ms small grain: G (PDF) |
Rating legend: E=excellent, G=good, F=fair, P=poor, N=no control. A range such as G-E means the guide gives a range; 'a' after a rating (e.g., Ga) means the guide assumes its recommended additive.
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Sources
Data from current labels and weed guides. Last source update: 2026-07-14.