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Bensumec 4LF is a pre-emergent broadleaf herbicide that provides season-long control of broadleaf weeds in all major turf grasses. Bensumec is effective on crabgrass, Poa annua and goosegrass as well as other weeds. It can be used on golf greens, tees and bentgrass fairways, plus established turf such as bluegrass, fescue, perennial ryegrass, bermudagrass, zoysiagrass, bahiagrass, centipedegrass and St. Augustinegrass. In many areas of the United States, Bensumec 4LF has become the product of choice for the control and management of Poa annua. Because of its proven weed control, compatibility with other turf products and high turfgrass tolerance, Bensumec 4LF has been widely trusted and accepted by golf course superintendents and landscape managers on their most valuable turf. One application of Bensumec during the fall will provide control the follwing spring. Bensumec is designed to PREVENT weeds and will not assist in controlling existing weeds.
Product Documents
| Active Ingredient | Bensulide 46% |
|---|---|
| Target pests | Annual bluegrass (Poa annua), Barnyardgrass, Crabgrass (large & smooth), Deadnettle (henbit), Fall Panicum, Foxtail, Goosegrass, Lambsquarters, Redroot pigweed, Shephedspurse |
| For use in |
Bahiagrass, Bentgrass, Perennial bluegrass, Bermudagrass, Centipedegrass, Fescue, Pensacola bahiagrass, Perennial ryegrass, Redtop, Rough stalk bluegrass, St. Augustinegrass, Zoysiagrass Commercial and Residential Turf, Golf Coureses |
| Application |
5.6 - 9.4 oz. per 1.8 - 2.5 gallons of water per 1,000 sq. ft. 1.875 - 3.5 gallons per 80 - 100 gallons of water per acre * See label for complete application instructions |
| Formulation | Professional Product |
| NOT FOR SALE TO |
AK, HI, PR NY (Restricted To Licensed Applicators Only) |
| Shipping Weight | 9.07 lbs |
| Manufacturer | PBI Gordon Corporation |
| UPC | 070251845767 |
| EPA Registration | 2217-696 |
Bensumec 4LF is a pre-emergent broadleaf herbicide that provides season-long control of broadleaf weeds in all major turf grasses. Bensumec is effective on crabgrass, Poa annua and goosegrass as well as other weeds. It can be used on golf greens, tees and bentgrass fairways, plus established turf such as bluegrass, fescue, perennial ryegrass, bermudagrass, zoysiagrass, bahiagrass, centipedegrass and St. Augustinegrass.
| 5 stars | 2 | |
| 4 stars | 0 | |
| 3 stars | 0 | |
| 2 stars | 0 | |
| 1 star | 0 |
Great for eliminating Poa Annua, and other annual grasses
By Geoff on 02/17/2015
Verified Purchase
Great pre-emergent herbicide product when used at the proper time (October/November) to prevent spring/summer seed germination of Poa Annua and other listed grasses. Can be used in spring too before grass appears. Safe for use on Dichondra lawns, too. Be sure to follow all label instructions... Including watering for several minutes to move herbicide into soil and create a layer that prevents weed seed germination. Lasts 3-6 months per application. Great product!
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8 of 8 people found this review helpful
Best Pre-Emergent Out There
By Josh on 03/18/2023
I live in on the Central Coast in CA and goosegrass is a plague. I've had several lawns get overrun and it's almost impossible to keep out due to the high winds and hundreds of thousands of seeds each plant drops. I've used this for going on three years now with two applications a year and I don't have a single goosegrass plant in either of my lawns. This stuff is basically a miracle and also works great for clover, dandelions, crabgrass, and everything else. Heavily recommend this product and I'll continue to use this for years to come.
Dandelions and clover take over our grass areas by mid july every year. This is the first year I applied amine 400 so right now there are no signs of either popping up again.
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6 of 6 people found this answer helpful
Recently seeded a new dichondra lawn last fall. Problem is I have much poa annua (bluegrass); little bitter cress; and creeping charlie invading my dichondra. Can you recommend any post-emergent herbicides that can be used now while weeds are active? Also, are there any pee-emergent products that are safe on a dichondra lawn? If so, what time of year is best to apply? Your thoughts and suggestions are greatly appreciated.
Since Dichondra grass is a very sensitive grass and you do not ever want to use a herbicide containing 2-4D on it, it can be difficult to find the right products to recommend. For best results as a post emergent, it is recommended that you pull weeds by hand. Bensumec 4LF Herbicide is labeled to treat poa annua and has been proven very effective. Please read page 2 of the Bensumec 4LF label for detailed application instructions. Hope this helps and please let me know if there is anything else I can do to assist you.
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5 of 7 people found this answer helpful
Typically you want to mow the lawn at least twice before applying herbicides such as Bensumec 4LF to be sure the grass is well established and there are no seeds left to germinate.
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2 of 2 people found this answer helpful
The LF in Bensumec 4LF Herbicide stands for "liquid flowable." It refers to the fomulation of the product. More information about this product can be found on the product label.
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2 of 2 people found this answer helpful
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1 of 3 people found this answer helpful
Bensumec 4LF Herbicide
Rating: 5 (2 Reviews / 12 Q&A)
