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Laramie 25DF Herbicide is a dry flowable herbicide formulated for selective and non-selective weed control in non-crop vegetation areas and rangeland restoration sites west of the Mississippi River. It is commonly used along roadsides, highway medians, industrial sites, utility substations, fence rows, and uncultivated areas where invasive annual grasses and problem broadleaf weeds threaten site stability.
Laramie 25DF provides pre- and post-emergent control by inhibiting branched-chain amino acid synthesis in susceptible weeds, stopping growth shortly after emergence or application. It is especially effective against cheatgrass, medusahead, downy brome, foxtail species, large crabgrass, and bulbous bluegrass, making it a tool for rangeland restoration and invasive species management programs.
The dry flowable formulation disperses easily in water and supports flexible tank mixing with other labeled herbicides to broaden control or enhance burndown. When applied according to label directions, Laramie 25DF delivers targeted weed suppression while helping release desirable perennial species in treated areas.
Product Documents
| Active Ingredient | Rimsulfuron – 25.0% |
|---|---|
| Target pests | Annual grasses including: Cheatgrass, medusahead, downy brome, Japanese brome, barnyardgrass, foxtail (giant, green, yellow), large crabgrass, bulbous bluegrass, ventenata. Broadleaf weeds including: Marestail, pigweed (redroot, smooth), black mustard, puncturevine, common mallow, hairy fleabane, redstem filaree. *See label for full details. |
| For use in |
Non-crop areas Rangelands (west of the Mississippi River only) Roadsides and highway medians Industrial plant sites Utility substations Fence rows and barrier strips Uncultivated agricultural areas *See label for full details. |
| Application | Mix with water and apply as a broadcast spray using properly calibrated ground or aerial equipment where allowed by the label. Applications may be made pre-emergence or post-emergence depending on target weeds and timing. Moisture is required to activate pre-emergent applications. A spray adjuvant is required. Always follow the label for complete directions, rates, and restrictions. |
| Pet safe | Yes, if used as directed on label. |
| Formulation |
Professional-grade Group 2 Herbicide |
| NOT FOR SALE TO |
HI, NY VT (Restricted To Licensed Applicators Only) |
| Coverage Area | 4 – 8 acres per 16 oz. bottle depending on application rate and target weeds. Coverage varies by site and conditions. See label for full details. |
| Color | Off-white granules |
| Shipping Weight | 1.17 lbs |
| Manufacturer | Alligare LLC (Mfg. Number: 49140) |
| UPC | 00192702491405 |
| EPA Registration | 81927-57 |
Annual grasses including: barnyardgrass, cheatgrass, downy brome, Japanese brome, medusahead, giant foxtail, green foxtail, yellow foxtail, large crabgrass, bulbous bluegrass, ventenata.
Broadleaf weeds including: black mustard, common mallow, hairy fleabane, marestail (horseweed), redroot pigweed, smooth pigweed, puncturevine, redstem filaree.
*See label for full details.
Laramie 25DF may be applied in the fall or spring for pre-emergent or early post-emergent weed control. Pre-emergent applications require rainfall or irrigation for activation, with best results occurring when moisture is received within 2 to 3 weeks after application.
For post-emergent applications, treat young, actively growing weeds and include a labeled spray adjuvant. Do not exceed 4.0 ounces per acre per year. A maximum of 8 applications per year is allowed.
Avoid applications to frozen soil or where off-target movement may occur. Do not apply through irrigation systems. Follow all grazing, rotational, and replanting restrictions outlined on the label.
Always read and follow the product label for complete directions, precautions, and limitations.
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