These resources provide reliable, third-party information on 2,4-D, including toxicology, environmental behaviour, safe handling, application best practices, and weed management guidance across turf, pasture, lawn, and agricultural settings. They are sourced from universities, government programs, and industry experts to help users access accurate, practical, and up-to-date information.
- U.S. EPA 2,4-D information page
- U.S. EPA Basic Information about Pesticide Ingredients
- U.S. EPA 2,4-D. Second Revision: Human Health Risk Assessment for Registration Review document (2020)
- USDA Climate Hub — Growing Seasons in a Changing Climate
- NPIC 2,4-D General Fact Sheet — Comprehensive fact sheet on 2,4-D toxicology, environmental fate, and safe handling.
- CAREX Canada: 2,4-D Profile — Exposure and health information resource for Canadians, occupational focus.
- 2,4-D 101: Everything Farmers Need to Know (FBN) — Industry overview of 2,4-D’s use, application, and stewardship.
- Kansas State Turf Blog: Seeding After Herbicide Application — Explains reseeding intervals following 2,4-D applications on turf.
- Rutgers NJAES FS584: Seeding Your Lawn — Lawn seeding guidance including herbicide timing and safety.
- University of Nebraska Turfgrass Science: Broadleaf Weed Control — Broadleaf weed management in turf and pastures; includes safety considerations for 2,4-D.
- Purdue Extension Weed Control Guide for Field Crops — Comprehensive herbicide guide including 2,4-D use in field crops.
- Ohio State University Extension — General extension resource, includes crop and turf weed control with 2,4-D.
- Oregon State University Extension — General extension resource including turf and pasture weed management with 2,4-D.
- Mississippi State University Extension Service — Weed science and pasture management resources including 2,4-D use.
- University of Wyoming Extension: New Weed Treatment Guide — Latest UW Extension weed management resource with coverage of 2,4-D.
- University of Missouri Extension: Weed Science — Weed science program covering practical herbicide use, including 2,4-D.
- NC State Extension: Annual Broadleaf Weed Control — Guidance for managing annual broadleaf weeds with 2,4-D.
- University of Minnesota Extension: Managing Weeds in Lawns — Guidance on identifying and managing lawn weeds with 2,4-D.
- Oklahoma State University Extension: Controlling Broadleaf Weeds in Home Lawns — Practical homeowner guidance for safe broadleaf weed control with 2,4-D.
- Oklahoma State Extension: Herbicide Mixing Order — Step-by-step instructions to safely mix and apply herbicides including 2,4-D.
- Rutgers NJAES: Broadleaf Weed Control in Cool Season Lawns — Additional guidance on application safety and timing principles for broadleaf weed management.
- Utah State Extension: Landscape and Garden Weed Control — Practical advice for safe herbicide application in gardens and non-row-crop areas.
- University of Delaware: Considerations for Herbicide Use in Pastures — Volatility, temperature, and drift risk considerations for safe 2,4-D use.
