• Call (800) 479-6583
  • Mon-Fri 8am-5pm
  • |
  • Sat 9am-5pm

Imazapyr 2 SL Herbicide

Free Shipping on All Orders

Imazapyr 2 SL Herbicide is formulated as a pre-emergent and post-emergent for control of unwanted vegetation in non-cropland areas. Imazapyr can also be used in pastures and rangelands as a soil sterilizer to ensure nothing will grow along fence lines.

Target Pests

Imazapyr 2 SL Herbicide can control vines and brambles such as field bindweed hedge bindweed wild buckwheat honeysuckle morningglory poison ivy redvine wild rose trumpetcreeper virginia creeper and wild grape.

Imazapyr 2 SL Herbicide can control grasses such as bahiagrass bermudagrass dallisgrass saltgrass bluegrass brome fescue ryegrass johnsongrass lovegrass sandbur wild oats barnyardgrass crabgrass goosegrass itchgrass signalgrass and many others listed within the label.

Imazapyr 2 SL Herbicide also controls broadleaf weeds like carpetweed clover chickweed ragweed dandelion kochia pepperweed pigweed sunflower wild carrot wild lettuce yellow woodsorrel and other listed weeds.

For Use In

Imazapyr 2 SL Herbicide is for use in non-croplands such as utility pipeline railroad utility plant sites highway rights-of-way petroleum tank farms fence rows storage areas pumping installations non-irrigation ditchbanks under paved surfaces rangeland and grass pastures.


For treatment of non-crop lands Imazapyr 2 SL Herbicide should be used at a rate of 0.6-6.5 ounces per gallon of water. Not to exceed 3 pints per acre it may kill off desirable vegetation.

Where bareground may be desired apply Imazapyr at a rate of 1.5-6 pints per acre tank mix combined with a systemic weed and grass killer such as Eraser for best results.

Coverage Area

Coverage area of Imazapyr 2 SL Herbicide varies depending on application but not to exceed 6 pints per acre per year.

Time to Kill

Imazapyr 2 SL Herbicide begins to eliminate unwanted weeds within turf just after application but can take up to several weeks to completely kill of the target weeds.

Mix Rate

The mix rate for Imazapyr does not matter. You just need to make sure to use 1 quart per acre. For spot treatments use .6 ounces per gallon.

Active Ingredient

Isopropylamine salt of Imazapyr 27.8%

Imazapyr 2 SL Herbicide

Product Q & A

Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 11 questions Browse 11 questions and 12 answers
How many oz's in 2.5 gallon
dick on Jun 29, 2016
BEST ANSWER: 312.50 ounce per 2.5 gallon container.
will 24 oz. per acre make a good kill before you plant pine seedlings ?
Willy on Aug 9, 2016
BEST ANSWER: 1 % application rate would be 4 pints per acre, for Imazapyr 2 SL

Which imazapyr should be used in the hack and squirt method to kill ailanthus trees?
Tim P on Jul 26, 2018
BEST ANSWER: I used Imazapyr 2 SL in early July on the fresh cut stumps and had complete die off.
Will Imazapyr mixed with eraser kill bamboo ..?
Jim H on Jun 11, 2018
BEST ANSWER: Yes, you can mix these both to kill bamboo.
Minimum rate to spray around 15 year old pines in a pine plantation?
A shopper on Apr 23, 2018
BEST ANSWER: 1.5 oz per gallon of water
How much sqft can a gallon cover?
A shopper on Apr 10, 2018
BEST ANSWER: It will depend on the rate and what you are trying to control. The maximum rate of Imazapyr is 3 pints per acre, 8 pints in a gallon, so if you used maximum yearly application you can apply almost 2.8 acres.

If you use the 0.6-6.5 ounces per gallon of water, then lets say 3 ounce per gallon of water to cover 1,000 square feet, you will get an acre of coverage.
Can it be used around ponds with fish in them?,difference in 4sl?
A shopper on Oct 4, 2017
BEST ANSWER: No it cannot be used around ponds, it is labeled for non irrigation ditches. You might want to checkout https://www.solutionsstores.com/ecomazapyr-2-sl-aquatic-herbicide, which is an aquatic product.

Imazaypr 4L is 4 lbs of active ingredient in the products, vs the 2L has 2 lbs of active.
How many ounces per gallon in a backpack sprayer? Is it different for pre-emergent and post-emergent effectiveness?
Rick on Jul 5, 2017
BEST ANSWER: 0.6 to 6.7 ounce per 1 gallon of water to cover 1,000 square feet of area. Please review the Imazapyr 2 SL label to get correct application rate for your particular needs.
Is it important to add Glyphosphate for post-emergent effectiveness?
Rick on Jul 5, 2017
BEST ANSWER: What are you trying to control with Imazapyr 2L?

It is recommended to add a pre-emergent when you apply.
The higher rates should be used where heavy or well established infestations occur. 2 Growth Habit � A = Annual, B = Biennial, P = Perennial 3 For preemergence control, tank-mix with Pendulum�. 4 Use a minimum of 75 GPA � Control of established stands may require repeat applications.
5 For preemergence control, tank-mix with Pendulum� or Karmex�. 6 For best results early postemergence applications are required. 7 Tank-mix with Roundup�, Accord�, Escort
�, Krenite�, Garlon� 3A, or Tordon� K. 8 Tank-mix with Roundup�, Accord� or Escort
�. 9 Tank-mix with Roundup�, Accord� Garlon� 3A, or Tordon� K. 10 Tank-mix with Accord�, Roundup�, Garlon� 3A, or Tordon� K, or Krenite�
Can you mix Imazapyr with a surfactant?
Lou on Oct 18, 2016
BEST ANSWER: I would recommend using a surfactant when you apply Imazapyr to control your weeds.

When is the best time to apply Imazapyr?
Nick on Oct 18, 2016
BEST ANSWER: You can apply Imazapyr 2 SL and time the plant, weed is actively growing, so if the plant is green.

Customer Reviews

There are no reviews for this item. Write Review

Contact Us