ethephon herbicide Ethofumesate 4SC Select – Compare to Poa Constrictor® – A to Z Lawn Supply

Ethofumesate 4SC Select is a selective turf herbicide labeled for control of Poa annua (annual bluegrass) and other grassy weeds in established turfgrass. This formulation contains 42.0% ethofumesate and is designed for use on labeled cool-season turf species.

Comparable to Poa Constrictor® and Prograss® based on matching active ingredient and concentration, Ethofumesate 4SC Select delivers professional-grade annual bluegrass suppression and control when applied according to label directions.

Ideal for fall and spring Poa annua management programs, this product works through soil and foliar activity to target susceptible weeds while maintaining turf safety when used as directed.

Key Features

• Contains 42.0% ethofumesate (3.78 lbs active ingredient per gallon)
• Labeled for selective control of Poa annua (annual bluegrass)
• For use on established, labeled cool-season turfgrass
• Soil and foliar activity for targeted weed suppression
• Comparable to Poa Constrictor® and Prograss®
• EPA registered for turf use

This product is labeled for selective control or suppression of the following weeds in turfgrass (refer to label for complete list and application timing):

• Poa annua (Annual bluegrass)
• Other labeled annual grassy weeds

Best results for Poa annua control are typically achieved with properly timed fall or split applications as directed by the EPA-approved label.

• Use Sites: Established labeled turfgrass species
• Application Timing: Fall and/or spring applications as directed
• Mixing: Shake container well before using
• Formulation: 4SC (Suspension Concentrate)
• Signal Word: CAUTION

Always follow the complete label directions regarding turf species tolerance, application intervals, maximum seasonal use rates, and irrigation guidelines.

What is Ethofumesate 4SC Select primarily used for?
It is primarily used for selective control of Poa annua (annual bluegrass) in labeled turfgrass species.

Is this the same as Poa Constrictor® or Prograss®?
This product is comparable based on active ingredient (ethofumesate 42.0%) and formulation type. Always review label directions for specific use instructions.

When should I apply for Poa annua control?
Applications are typically made in fall and/or spring according to label guidance for optimal annual bluegrass suppression and control.

Is this safe for all turf types?
No. Use only on turf species specifically listed on the EPA-approved label and follow all precautions.

EPA Registration Number: 45002-37-89442

Active Ingredients:
Ethofumesate: 42.0%

Signal Word: CAUTION

Target Pest List:
Poa annua (annual bluegrass) and other labeled annual grassy weeds (see product label for complete list)

Download Product Label (PDF)
Download Safety Data Sheet (SDS)
Download Product Fact Sheet

It is a violation of Federal law to use this product in a manner inconsistent with its labeling.