From labels and weed guides
Best herbicides for prickly lettuce in annual ryegrass
For prickly lettuce in annual ryegrass, the weed guides list 1 active-ingredient group rated good or excellent, after checking that the products are labeled for annual ryegrass.
Prickly Lettuce control in annual ryegrass
Every listed product is labeled for annual ryegrass. 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 prickly lettuce in annual ryegrass.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Fancy EPA 83529-80; same active ingredients on 4 other branded products | fluroxypyr 1-methylheptyl ester | 4 | ND Weed Guide 2026: 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.