From labels and weed guides
Best herbicides for crabgrass in alfalfa
For crabgrass in alfalfa, the weed guides list 1 active-ingredient group rated good or excellent, after checking that the products are labeled for alfalfa.
Crabgrass control in alfalfa
Every listed product is labeled for alfalfa. 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 1 weed guide, 1 active-ingredient group is rated good or excellent for crabgrass in alfalfa.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Epitome EPA 2749-636; same active ingredients on 3 other branded products | eptc | 15 | WinField Crop Protection 2026, alfalfa forage legumes: E (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.