From labels and weed guides
Best herbicides for sunflower in grass seed
For sunflower in grass seed, the weed guides list 18 active-ingredient groups rated good or excellent, after checking that the products are labeled for grass seed.
Sunflower control in grass seed
Every listed product is labeled for grass seed. 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, 18 active-ingredient groups are rated good or excellent for sunflower in grass seed, showing the top 12 below.
| Example product | Active ingredients | MOA group | Ratings checked |
|---|---|---|---|
| 78623 58% Technical Solution EPA 524-532; same active ingredients on 87 other branded products | glyphosate | 9 | ND Weed Guide 2026: G-E (PDF) |
| 2,4-D Amine 4 EPA 1381-103; same active ingredients on 73 other branded products | 2,4-d | 4 | ND Weed Guide 2026: E (PDF) |
| Alligare Dicamba 4 EPA 81927-55; same active ingredients on 33 other branded products | dicamba | 4 | ND Weed Guide 2026: E (PDF); ND Weed Guide 2026: G-E (PDF) |
| ARGOS EPA 74530-71; same active ingredients on 11 other branded products | mesotrione | 27 | ND Weed Guide 2026: E (PDF) |
| Bonedry EPA 82557-1; same active ingredients on 11 other branded products | paraquat | 22 | ND Weed Guide 2026: E (PDF) |
| Bite EPA 83529-74; same active ingredients on 8 other branded products | clopyralid | 4 | ND Weed Guide 2026: G-E (PDF) |
| Comet EPA 71368-87; same active ingredients on 6 other branded products | fluroxypyr 1-methylheptyl ester | 4 | ND Weed Guide 2026: E (PDF) |
| Bison EPA 71368-28-1381; same active ingredients on 5 other branded products | bromoxynil and mcpa | 4, 6 | ND Weed Guide 2026: E (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 (PDF) |
| MCP Amine 4 EPA 34704-130; same active ingredients on 3 other branded products | mcpa | 4 | ND Weed Guide 2026: G (PDF) |
| Broclean EPA 34704-891; same active ingredients on 1 other branded product | bromoxynil | 6 | ND Weed Guide 2026: G-E (PDF) |
| Commando EPA 42750-92; same active ingredients on 1 other branded product | 2,4-d and clopyralid | 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.