From labels and weed guides
Best herbicides for prickly lettuce in grass seed
For prickly lettuce in grass seed, the weed guides list 11 active-ingredient groups with every rating at least 80% control, after checking that the products are labeled for grass seed.
Prickly Lettuce control in grass seed
Every listed product is labeled for grass seed. Ratings are shown when each weed guide that rates this weed has a lower interval bound of at least 80% control for the active-ingredient group. If a guide gives a range, its lower bound must be at least 80%.
Based on 1 weed guide, 11 active-ingredient groups are rated at least 80% control for prickly lettuce in grass seed.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| Alligare Dicamba 4 EPA 81927-55; same active ingredients on 33 other branded products | dicamba | 4 | ND Weed Guide 2026, U01 rating table, p. 14: G → 80–90% control (PDF); ND Weed Guide 2026, Q32 rating table, pp. 7, 14: E → 90–99% control (PDF); ND Weed Guide 2026, U01 rating table, p. 14: G-E → 80–99% control (PDF) |
| BLASTWAVE 240 EC EPA 103087-15; same active ingredients on 9 other branded products | oxyfluorfen | 14 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Bite EPA 83529-74; same active ingredients on 8 other branded products | clopyralid | 4 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Comet EPA 71368-87; same active ingredients on 6 other branded products | fluroxypyr 1-methylheptyl ester | 4 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| COLT AS EPA 34704-1019; same active ingredients on 5 other branded products | clopyralid and fluroxypyr 1-methylheptyl ester | 4 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Express EPA 279-9594; same active ingredients on 3 other branded products | tribenuron-methyl | 2 | ND Weed Guide 2026, Q32 rating table, pp. 7, 14: Ga → 80–90% control (PDF) |
| MCP Amine 4 EPA 34704-130; same active ingredients on 3 other branded products | mcpa | 4 | ND Weed Guide 2026: G → 80–90% control (PDF) |
| Commando EPA 42750-92; same active ingredients on 1 other branded product | 2,4-d and clopyralid | 4 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Curtail M EPA 62719-86 | clopyralid and mcpa | 4 | ND Weed Guide 2026: E → 90–99% control (PDF) |
| Rely 280 EPA 7969-448 | glufosinate | 10 | ND Weed Guide 2026: G-E → 80–99% control (PDF) |
| Sharpen EPA 7969-278 | saflufenacil | 14 | ND Weed Guide 2026, Q32 rating table, pp. 7, 14: G-E → 80–99% control (PDF) |
Rating bands: E 90-100%, G 80-89%, F 70-79%, P under 70%, N none. Policy intervals are marked in the source ratings. 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. Read the rating method.
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Sources
Data from current labels and weed guides. Last source update: 2026-09-30.