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Signalgrass Weed Killer

Brachiaria spp. Herbicide

According to the manufacturer approved labels: The following 3 weed killers, applied at the listed application rates, will control Signalgrass.
Pre-Emergent
Post-Emergent
| More Info | View Label
Spot Treatment
Label Rate:
1.8 - 3 fluid ounces per gallon
Cost Effectiveness:
Makes 42.667 - 71.111 gallons
at a cost of
$1.88 - $3.14 per gallon
Instructions:
Second or follow-up applications on ornamental turfgrass may be required. Early summer treatments are generally more effective. Applications in the summer (approximately July 15 to August 15) to older, drought stressed grassy weeds are less effective. Late summer applications (after August 15) to mature crabgrass can be very effective.
Blanket Treatment
Label Rate:
1.8 - 3 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 42667 - 71111 square feet
at a cost of
$1.88 - $3.14 per 1,000 sqft
Instructions:
Second or follow-up applications on ornamental turfgrass may be required. Early summer treatments are generally more effective. Applications in the summer (approximately July 15 to August 15) to older, drought stressed grassy weeds are less effective. Late summer applications (after August 15) to mature crabgrass can be very effective.
Safe On
Annual Bluegrass, Annual Ryegrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Roughstalk Bluegrass, and Tall Fescue
Safe Rate:
2.6 - 3 fluid ounces per gallon
or
2.6 - 3 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Q4 Plus & these grass types
Bermudagrass and Zoysiagrass
Safe Rate:
1.8 - 2.6 fluid ounces per gallon
or
1.8 - 2.6 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Q4 Plus & these grass types
Pre-Emergent
Post-Emergent
| More Info | View Label
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Broadcast Treatment
Label Rate:
1.31 - 1.72 lbs per 1,000 sqft
Cost Effectiveness:
Covers 29040 - 38211 square feet
at a cost of
$2.27 - $2.99 per 1,000 sqft
Safe On
Bahiagrass, Bermudagrass, Centipedegrass, St. Augustinegrass, and Zoysiagrass
Safe Rate:
1.72 lbs per 1,000 sqft
CertainLabel™ Calculator for Corral 2.68G & these grass types
Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, and Tall Fescue
Safe Rate:
1.31 - 1.72 lbs per 1,000 sqft
CertainLabel™ Calculator for Corral 2.68G & these grass types
Bentgrass
Safe Rate:
1.31 lbs per 1,000 sqft
CertainLabel™ Calculator for Corral 2.68G & Bentgrass
Pre-Emergent
Post-Emergent
| More Info | View Label
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Blanket Treatment
Label Rate:
1.1 - 1.47 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 217800 - 290400 square feet
at a cost of
$1.27 - $1.69 per 1,000 sqft
Instructions:
The lower rate is recommended for spring if spring transition is expected within a month. Higher rates may be used if spring transition is at least 4-6 weeks away or has already occurred and also for fall.
Safe On
Bermudagrass, Centipedegrass, St. Augustinegrass, and Zoysiagrass
Safe Rate:
1.1 - 1.47 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Coastal & these grass types

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