Weed Control Product Guide

A.M. Leonard’s Weed Control Product Guide brings together all the information you need to prevent, control, and eliminate weed growth from your property. The table below provides active ingredients and product uses. It is a useful tool for choosing the correct weed control product for your specific situation. Continue reading to get started!

Shop Weed Control Products

In this guide, the experts at A.M. Leonard outline the best products to prevent, control, and eliminate nuisance plants. These products control a wide range of plants, from broadleaf weeds and annual grasses to bushes. The treatments range from pre-emergent to post-emergent and specialty herbicides widely used in the horticulture industry.

We have organized the products below based on their primary use. Many of their labels, however, list them as multi-purpose. Please refer to the manufacturer’s label before buying or using any of these products. Do not use any product beyond specific label recommendations and instructions.

Note: All of the products below control more weeds than stated. Please refer to the manufacturer label for a more detailed list of weeds controlled. Use the information below as a supplement to the information contained on the product label. Before using any product, please read and follow all label instructions. Please find links to product labels and SDS sheets for these products at the end of this guide.

Product / Brand Use Active Ingredients Form ** Control / Prevent
Snapshot DG Landscape, Field, Container and Ornamental Trifluralin Isoxaben Dispersible Granules Selective pre-emergent controls over 111 specific broadleaf weeds and annual grasses. Thistle, Dock, Bittercress, Bindweed, Dandelion, Ragweed, Henbit, Foxtail, Pigweed, Chickweed, Crabgrass, Clover, Nettle, Oxalis and much more!
Snapshot Same as above Same as above Granular Review Label
Surflan Landscape, Field, Container, and Ornamental Oryzalin Liquid Pre-Emergent: controls broadleafs and annual grasses including Foxtail, Oat, Rye, Crabgrass, Panicum, Groundsel, Purslane, Morning Glory, Spurge and much more!
Weed Impede 2-in-1 Concentrate Around Landscape plantings, Gravel Areas, Fence Lines, Cracks, Sidewalks, Patio's Glyphosate and Prodiamine Liquid Concentrate P Pre and post-emergent herbicides in one application. Delivers the active ingredients through the foliage and moves systematically to the roots, killing the weed. The secondary functions as an invisible barrier on the soil preventing the development of weeds.
Avenger Weed Killer Concentrate Greenhouse, Nursery, Farms, Landscape, Patio's, Sidewalks, Around Ornamentals, Fence Lines D-Limonene (Citrus Oil) 70% Liquid Concentrate Post-emergent non-selective herbicide; a broad spectrum week killer. It controls most annual weeds, both grasses and broadleaves. "OMRI-Listed"
Bensumec 4LF Turf Bensulide Liquid Pre-Emergent: Poa annua, Barnyard, Goosegrass, Deadnettle, Foxtail and Fall Panicum.
Brushmaster Brush & Turf Isooctyl, 2.4-D & Dicamba Liquid Post Emergent: Honeysuckle, Cottonwood, Brambles, Willow, Sumac, Poison Ivy, Wild Onion, Ragweed, Dandelion, Groundsel, Henbit, Clover and much much more!
"Generic" 41% Glyphosate Weed Killer / Non-Selective Post Emergent 41 % Glyphosate w/ Surfactant Liquid Complete professional Non-Selective post emergent herbicide that kills fast, and kills the roots. Review label.
Roundup Quick PRO Weed Killer / Non-Selective Post Emergent 71.4% Glyphosate w/ Surfactant Water Soluble Granule Professional Non-Selective post emergent herbicide, with surfactant, water soluble packet.
Horticultural Vinegar Weed Killer / Non-Selective Post Emergent 20% Acetic Acid (non synthetic white distilled vinegar) Liquid Post Emergent: Contains (200 grain food grade vinegar) with yucca extract (food grade yucca schidigera; a sticky carbohydrate) as a natural surfactant.
Speed Zone Turf Carfentrazone-ethyl ,4-D, 2 ethylhexyl ester, Mecoprop-p, Dicamba Liquid Broadleaf Post Emergent: Dandelion, Clover, Dock, Wild Onion, Wild Mustard, Wild Violet, Henbit, Ragweed, Groundsel and much more! Works well in cooler weather.
Tzone Turf

Triclopyr BEE, butoxyethyl ester,
Sulfentrazone, 2,4-D, 2-ethylhexyl ester, Dicamba

Liquid Broadleaf Post Emergent: Thistle, Nettle, Groundsel, Catnip, Nutsedge, Pigweed, Speedwell, Clover and much more! Rain-fast in 3 hours.
Super Trimec® Turf

2,4-D, 2-ethylhexyl ester, 2,4-DP-p, 2-ethylhexyl ester, Dicamba

Liquid Broadleaf Post Emergent: Oxalis, Wild Violet, Ground Ivy, Chickweed, Knotweed, Kudzu, Spurge, Plantain, Henbit and much more! Remains active and works well in sudden rainfall or temperature drop.
Trimec ® Classic Turf

Dimethylamine salt of 2,4-dichlorophenoxyacetic acid, Dimethylamine salt of (+) – ®-2(2methyl-4-chlorophenoxy) propionic acid, Dimethylamine salt of Dicamba: 3,6-dichloro-o-anisic acid

Liquid Broadleaf Post Emergent: Poison Ivy, Thistle, Dandelion, Mustard, Bittercress, Bindweed, Wild Onion and so much more! Low-odor formula!
Grass Out Max Landscape, Nursery, Grass Killer ONLY Clethodim Liquid Post Emergent Grass Killer Only: Great for the field as it kills grass but not your plant material. Safe on Taxus, Arborvitae, Hemlock, Picea, Pinus, Barberry, Boxwood, perennials and so much more! Review the label.