From labels and weed guides

Best herbicides for lambsquarters in fallow

For lambsquarters in fallow, the weed guides list 26 active-ingredient groups rated good or excellent, after checking that the products are labeled for fallow.

Lambsquarters control in fallow

Every listed product is labeled for fallow. 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, 26 active-ingredient groups are rated good or excellent for lambsquarters in fallow, showing the top 12 below.

Example productActive ingredientsMOA groupRatings checked
2,4-D Amine 4
EPA 1381-103; same active ingredients on 67 other branded products
2,4-d4ND Weed Guide 2026: E (PDF)
Alligare Dicamba 4
EPA 81927-55; same active ingredients on 36 other branded products
dicamba4ND Weed Guide 2026: E (PDF); ND Weed Guide 2026: G (PDF)
AAtrex 4L
EPA 100-497; same active ingredients on 32 other branded products
atrazine5ND Weed Guide 2026: E (PDF)
Axill Solutions Flumi 51% WDG
EPA 95055-14-93809; same active ingredients on 27 other branded products
flumioxazin14ND Weed Guide 2026: G-E (PDF)
Affinity BroadSpec
EPA 279-9601; same active ingredients on 26 other branded products
thifensulfuron and tribenuron-methyl2WinField Crop Protection 2026, fallow: E (PDF)
Antares
EPA 82534-5-5905; same active ingredients on 17 other branded products
sulfentrazone14ND Weed Guide 2026: G-E (PDF)
BLASTWAVE 240 EC
EPA 103087-15; same active ingredients on 13 other branded products
oxyfluorfen14ND Weed Guide 2026: G (PDF)
Comply
EPA 100-1414-55467; same active ingredients on 4 other branded products
atrazine, mesotrione, and metolachlor5, 15, 27ND Weed Guide 2026: E (PDF)
Harmony GT XP
EPA 279-9577; same active ingredients on 4 other branded products
thifensulfuron2ND Weed Guide 2026: E (PDF)
Enlist Duo
EPA 62719-649; same active ingredients on 3 other branded products
2,4-d and glyphosate4, 9ND Weed Guide 2026: E (PDF)
MCPA Amine
EPA 1381-104; same active ingredients on 3 other branded products
mcpa4ND Weed Guide 2026: E (PDF)
Corsican
EPA 7969-279-55467; same active ingredients on 2 other branded products
dimethenamid-p and saflufenacil14, 15ND 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.