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Sulfentrazone 4SC Select™ is a commercial-grade pre- and post-emergent herbicide designed to control tough sedges, broadleaf weeds, and certain grassy weeds in established turf. This powerful Group 14 herbicide delivers long-lasting soil activity while remaining safe for properly established cool- and warm-season grasses when used according to label directions.
Ideal for homeowners, sports turf managers, and lawn professionals who want reliable, pro-level weed control without sacrificing turf quality.
Controls nutsedge, kyllinga, spurge, clover, crabgrass, goosegrass, and more
Works pre-emergent and post-emergent
Safe on most major turf varieties
Long residual control
Compatible with many tank-mix partners
Excellent choice for lawns, athletic fields, and sod farms
| Turf Type | Application Rate (fl oz / Acre) | Notes |
|---|---|---|
| Cool-Season Grasses (Kentucky Bluegrass, Tall Fescue, Ryegrass, Fine Fescue, Bentgrass) | 4 – 8 | Bentgrass: Max 4 oz/A |
| Warm-Season Grasses (Bermuda, Zoysia, St. Augustine, Centipede, Bahia, Paspalum) | 8 – 12 | Temporary discoloration possible |
| Purple Nutsedge (Cool Season) | 2–4, then 4–6 | Split application |
| Purple Nutsedge (Warm Season) | 6–8, then 4–6 | Split application |
Maximum yearly rate: 12 fl oz per acre
Minimum interval between applications: 35 days
Early Spring – Prevent summer weeds
Late Summer/Fall – Prevent winter weeds
Apply when weeds are actively growing
Best results on small, young weeds
Moisture (rain or irrigation) is required for soil activation.
Fill spray tank ½ full with water
Start agitation
Pre-slurry product in clean container
Add slurry slowly to tank
Finish filling with water
Maintain agitation
Apply immediately
Do not store mixed solution overnight.
| Application Type | Minimum Volume |
|---|---|
| Ground Sprayer | 10 GPA |
| Tank Mix | 15 GPA |
| Aerial (Restricted) | 5 GPA |
Use low-drift nozzles
Spray pressure ≤ 25 PSI recommended
Avoid overlapping passes
Wear long sleeves, gloves, shoes, and socks
Avoid drift and runoff
Do not apply near water
Keep people and pets off until spray dries
Restricted Entry Interval (REI): 12 hours
Do not graze treated turf
3–7 Days:
Weeds begin showing discoloration and stress
7–14 Days:
Visible decline and dieback
30–60+ Days:
Residual weed suppression continues
✔ Commercial-grade formulation
✔ Proven sedge and broadleaf control
✔ Flexible pre & post-emergent use
✔ Trusted by professionals
✔ Excellent value per acre
If you’re tired of weak box-store weed killers, this is the real-deal solution for serious turf managers.
Not for sale in: AK, HI, NV
WE DO NOT ALLOW RETURNS ON LIQUID PRODUCTS. NO EXCEPTIONS.

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