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PIN-DEE 3.3 EC Herbicide
04/10/26
PIN-DEE 3.3 EC Herbicide, manufactured by Drexel, is a liquid formulation herbicide that has outstanding preemergent control in most annual grasses and certain broadleaf weeds as they germinate.
The active ingredient in PIN-DEE 3.3 EC Herbicide is pendimethalin 37.4% whose mode of action prevents roots and shoots of the targeted weeds from growing.
PIN-DEE 3.3 EC Herbicide has excellent crop safety on over 100+ ornamental grasses, shrubs, and trees and can be used on cool and warm season turfs as well as crops, and noncropland applications.
Tools Needed
To use PIN-DEE 3.3 EC Herbicide, you will need to mix the product into a sprayer of your choosing such as a backpack sprayer, a pump sprayer, or a professional spray rig for large-volume applications.
How to Use
- Step 1: Determine how much PIN-DEE 3.3 EC Herbicide to use by measuring the square footage of the treatment area. To do this, you will need to measure the length and the width of the treatment area in feet the multiply them together ( length X width = square footage). For acreage, take your square footage and divide it by one acre (square footage / 43,560 sq. ft. = acres). For treatment of residential turf applications, 1.3 to 1.8 fl. oz. of PIN-DEE 3.3 EC Herbicide per gallon of water for 1,000 sq. ft. Refer to the label for more rates and restrictions.
- Step 2: Fill your selected sprayer tank with half of the required water and then add the measured amount of PIN-DEE 3.3 EC Herbicide. Fill the sprayer with the remaining half of the water. Close the sprayer and shake it till the product is well mixed.
- Step 3: Spray the PIN-DEE 3.3 EC Herbicide mixture, making sure to get even coverage via the fan spray setting. Check back after 5 to 8 weeks for extended weed control.
Where to Use
Use PIN-DEE 3.3 EC Herbicide on alfalfa, bearing citrus fruit trees, bearing nut trees, bearing pome fruit trees, bearing stone fruit trees, carrots, carrots grown for seed, corn, cotton, edible beans, forage legumes, fruiting vegetables, garlic, grain sorghum, juneberry, leeks, lentils, mint, nonbearing fruit trees and nut trees, nonbearing vineyards, onions, peas, pomegranate, shallots, peanuts, potatoes, rice, soybeans, strawberries, sugarcane, sunflowers, tobacco and wheat, turfgrasses, industrial turf, ornamentals, landscapes and ground patience, noncropland including tree plantations and total vegetation control.
When to Use
Apply PIN-DEE 3.3 EC Herbicide in early spring before weeds have a chance to germinate.
Safety Information
PIN-DEE 3.3 EC Herbicide is safe to use around children and pets when applied according to the product label instructions. Always wear proper personal protective equipment (PPE) when mixing and applying this product.
Do not allow people or pets to enter the treated area for 24 hours after spraying.
Special Considerations
PIN-DEE 3.3 EC Herbicide can stain sidewalks and driveways.
On turf grass that has been thinned or damaged due to winter injury or excessive moisture allow the turf to recover prior to application.
On newly planted areas, an application should not be made until the turfgrass has filled in and has been mowed at least 4 times.
| Restricted Use | No |
|---|---|
| Shipping Restrictions | AK, DC, HI, MT, NV, WY |
| Availability | Online |
| Signal Word | CAUTION |
| Keith's Pro Tip | "PIN-DEE 3.3 EC Herbicide can stain hard surfaces. Make sure to sweep excess product onto lawn and bushes then water down any remaining product residue with water". |
| Target Pests Multi | Annual Bluegrass, Annual Ryegrass, Annual Spurge, Barnyardgrass, Black Mustard, Browntop Panicum, Buttonweed, Canarygrass, Carpetweed, Cheat, Common Chickweed, Common Lambsquarters, Corn Speedwell, Crabgrass, Crowfootgrass, Cudweed, Dodder, Evening Primrose, Fall Panicum, Fiddleneck, Field Sandbur, Filaree, Florida Pusley, Giant Foxtail, Goosegrass, Green Foxtail, Guineagrass, Hairy Chess, Henbit, Hop Clover, Itchgrass, Japanese Brome, Johnsongrass, Jointed Goatgrass, Junglerice, Kochia, Ladysthumb, Lawn Burweed, London Rocket, Lovegrasses, Mexican Sprangletop, Morningglory, Mouseear Chickweed, Palmer Amaranth, Pennsylvania Smartweed, Pigweed, Prostrate Spurge, Prostrate_Knotweed, Puncture Vine, Purslane, Pusley, Red Rice, Red Sprangletop, Russian Thistle, Shattercane, Shepherdspurse, Signalgrass, Slimleaf Lambsquarters, Sprangletop, Stinging Nettle, Texas Panicum, Velvetleaf, Waterhemp, Wild Oats, Wild Proso Millet, Witchgrass, Woolly Cupgrass, Yellow Foxtail, Yellow_Woodsorrel |
| Time to Kill | PIN-DEE 3.3 EC Herbicide is a preemergent. It stops weeds from growing and a second application can be made 5 to 8 weeks after initial application for continued suppression. |
| Chemical Type | Herbicide |
| Formulation | Emulsifiable Concentrate (EC) |
| Application Methods | Broadcast Spray, Spot Treatment |
| Product Drawbacks | PIN-DEE 3.3 EC Herbicide is a pre emergent and will not kill already existing weeds. |
| Active Ingredient | Pendimethalin 37.4%. |
| Application Equipment | Backpack Sprayer, Gloves, Pump Sprayer, Spray Rig |
| Mix Rate | For residential turf applications of PIN-DEE 3.3 EC Herbicide use 1.3 to 1.8 fl. oz. of product per gallon of water per 1,000 sq. ft. For larger broadcast applications and for crops please refer to the label for specific rates and restrictions. |
| Use Sites | Outdoors |
| Yield | A 2.5-gallon bottle of PIN-DEE 3.3 EC Herbicide can treat up to 4 acres. |
| EPA Registration No. | 19713-668 |
| Shelf Life | PIN-DEE 3.3 EC Herbicide may last up to 3 years when stored properly in a cool, dry place. |
| Comparable Products | Pendulum 3.3, Pendulum 2G |
| Children or pets? | No |
| Property Characteristics | None |
| Availability | Online |
| Restricted Use | No |
| Brand | DREXEL |
| Keith's Pro Tips | "PIN-DEE 3.3 EC Herbicide can stain hard surfaces. Make sure to sweep excess product onto lawn and bushes then water down any remaining product residue with water". |
| Product Drawbacks | PIN-DEE 3.3 EC Herbicide is a pre emergent and will not kill already existing weeds. |
| Target Pests | Annual bluegrass, Annual ryegrass, Annual spurge, Barnyardgrass, Black mustard, Browntop panicum, Bugloss, Buttonweed, Canarygrass, Carpetweed, Cheat, Common chickweed, Common lambsquarters, Corn speedwell, Crabgrass, Crowfootgrass, Cudweed, Dodder, Evening primrose, Fall panicum, Fiddleneck, Field sandbur, Field panicum, Filaree, Florida pusley, Giant foxtail, Goosegrass, Green foxtail, Guinea grass, Hairy chess, Henbit, Itchgrass, Hop clover, Japanese brome, Johnsongrass, Jointed goatgrass, Junglerice, Kochia, Ladysthumb, Lawn burweed, London rocket, Lovegrass, Mexican sprangletop, Morningglory, Mouse-ear chickweed, Palmer amaranth, Pennsylvania smartweed, Pigweed, Prostrate knotweed, Prostrate spurge, Puncturevine, Purslane, Pusley, Red rice, Red sprangletop, Russian thistle, Shattercane, Sheperdspurse, Signalgrass, Slimleaf lambsquarters, Sprangletop, Stinging nettle, Swollen fingergrass, Texas panicum, Velvetleaf, Waterhemp, Wild oat, Wild proso millet, Witchgrass, Wooly cupgrass,Yellow foxtail, and Yellow woodsorrel. |
| Application Equipment | Backpack Sprayer, Gloves, Pump Sprayer, Spray Rig |
| Application Methods | Broadcast Spray, Spot Treatment |
| Active Ingredient | Pendimethalin 37.4%. |
| Product Type | Herbicide |
| Formulation | Emulsifiable Concentrate (EC) |
| Application Rate | For residential turf applications of PIN-DEE 3.3 EC Herbicide use 1.3 to 1.8 fl. oz. of product per gallon of water per 1,000 sq. ft. For larger broadcast applications and for crops please refer to the label for specific rates and restrictions. |
| Shelf Life | PIN-DEE 3.3 EC Herbicide may last up to 3 years when stored properly in a cool, dry place. |
| Yield | A 2.5-gallon bottle of PIN-DEE 3.3 EC Herbicide can treat up to 4 acres. |
| Use Sites | Outdoors |
| Time to Kill | PIN-DEE 3.3 EC Herbicide is a preemergent. It stops weeds from growing and a second application can be made 5 to 8 weeks after initial application for continued suppression. |
| Comparable Products | Pendulum 3.3, Pendulum 2G |
| Use Caution With | Bentgrass, Zoysiagrass |
| Incompatible Home Siding | Brick, Hardie Plank, Stone Veneer, Stucco, Wood, Vinyl |
| EPA Registration # | 19713-668 |
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