Description of Witchgrass (Panicum capillare):
Witchgrass is a very densely hairy summer annual grass that reaches just shy of 3 feet in height. The stems are somewhat flattened and it has a fibrous root system.
CertainLabel™
Witchgrass Optimized Control Options Finder
Legend:
Control
Suppression
No Control
According to the manufacturer approved labels: The following 11 weed killers, applied at the listed application rates, will control Witchgrass.
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Blanket Treatment
per
Label Rate:
0.185 - 0.83 ounces per 1,000 sqft
Cost Effectiveness:
Covers 6024 - 27027 square feet
at a cost of
$0.74 - $3.32 per 1,000 sqft
at a cost of
$0.74 - $3.32 per 1,000 sqft
Instructions:
Refer to the green safe rates table for the correct rate for your turf-type.
Safe On
Bahiagrass, Bermudagrass, Centipedegrass, Kikuyu Grass, Seashore Paspalum, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.36 - 0.83 ounces per 1,000 sqft
CertainLabel™ Calculator for Prodiamine 65 WDG & these grass types
Buffalograss, Kentucky Bluegrass, and Perennial Ryegrass
Safe Rate:
Safe Rate:
0.185 - 0.55 ounces per 1,000 sqft
CertainLabel™ Calculator for Prodiamine 65 WDG & these grass types
Bentgrass
Safe Rate:
Safe Rate:
0.185 - 0.37 ounces per 1,000 sqft
CertainLabel™ Calculator for Prodiamine 65 WDG & Bentgrass
Fine Fescue
Safe Rate:
Safe Rate:
0.185 - 0.42 ounces per 1,000 sqft
CertainLabel™ Calculator for Prodiamine 65 WDG & Fine Fescue
Spot Treatment
per
Label Rate:
1 - 1.5 fluid ounces per gallon
Cost Effectiveness:
Makes 21.333 - 32 gallons
at a cost of
$0.49 - $0.74 per gallon
at a cost of
$0.49 - $0.74 per gallon
Blanket Treatment
per
Label Rate:
1.1 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 29040 square feet
at a cost of
$0.54 per 1,000 sqft
at a cost of
$0.54 per 1,000 sqft
Safe On
Annual Ryegrass, Bahiagrass, Bentgrass, Bermudagrass, Buffalograss, Carpetgrass, Centipedegrass, Chewings Fescue, Fine Fescue, Hard Fescue, Kentucky Bluegrass, Kikuyu Grass, Perennial Ryegrass, Red Fescue, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
1 - 1.5 fluid ounces per gallon
or
1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for 2,4-d Amine & these grass types
or
1.1 fluid ounces per 1,000 sqft
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Broadcast Treatment
per
Label Rate:
3.1 - 7.2 lbs per 1,000 sqft
Cost Effectiveness:
Covers 2500 - 5806 square feet
at a cost of
$5.83 - $13.55 per 1,000 sqft
at a cost of
$5.83 - $13.55 per 1,000 sqft
Safe On
Bahiagrass, Bermudagrass, Centipedegrass, Kikuyu Grass, Seashore Paspalum, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
1.8 - 7.2 lbs per 1,000 sqft
CertainLabel™ Calculator for Pro Turf Barricade & these grass types
Buffalograss, Kentucky Bluegrass, and Perennial Ryegrass
Safe Rate:
Safe Rate:
1.8 - 4.8 lbs per 1,000 sqft
CertainLabel™ Calculator for Pro Turf Barricade & these grass types
Fine Fescue and Red Fescue
Safe Rate:
Safe Rate:
1.8 - 3.6 lbs per 1,000 sqft
CertainLabel™ Calculator for Pro Turf Barricade & these grass types
Bentgrass
Safe Rate:
Safe Rate:
1.8 - 2.4 lbs per 1,000 sqft
CertainLabel™ Calculator for Pro Turf Barricade & Bentgrass
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Broadcast Treatment
per
Label Rate:
2.7 - 9.3 lbs per 1,000 sqft
Cost Effectiveness:
Covers 5376 - 18519 square feet
at a cost of
$2.86 - $9.86 per 1,000 sqft
at a cost of
$2.86 - $9.86 per 1,000 sqft
Safe On
Bahiagrass, Bermudagrass, Centipedegrass, Seashore Paspalum, St. Augustinegrass, and Tall Fescue
Safe Rate:
Safe Rate:
2.7 - 9.3 lbs per 1,000 sqft
CertainLabel™ Calculator for Crabgrass Control Plus 0-0-7 with 0.37% Prodiamine & these grass types
Bahiagrass, Bermudagrass, Centipedegrass, Seashore Paspalum, St. Augustinegrass, and Tall Fescue
Safe Rate:
Safe Rate:
2.7 - 9.3 lbs per 1,000 sqft
CertainLabel™ Calculator for Crabgrass Control Plus 0-0-7 with 0.37% Prodiamine & these grass types
Bahiagrass, Bermudagrass, Centipedegrass, Seashore Paspalum, St. Augustinegrass, and Tall Fescue
Safe Rate:
Safe Rate:
2.7 - 9.3 lbs per 1,000 sqft
CertainLabel™ Calculator for Crabgrass Control Plus 0-0-7 with 0.37% Prodiamine & these grass types
Buffalograss, Kentucky Bluegrass, and Perennial Ryegrass
Safe Rate:
Safe Rate:
2.7 - 6.2 lbs per 1,000 sqft
CertainLabel™ Calculator for Crabgrass Control Plus 0-0-7 with 0.37% Prodiamine & these grass types
Bentgrass
Safe Rate:
Safe Rate:
2.7 - 4 lbs per 1,000 sqft
CertainLabel™ Calculator for Crabgrass Control Plus 0-0-7 with 0.37% Prodiamine & Bentgrass
Red Fescue
Safe Rate:
Safe Rate:
2.7 - 4.6 lbs per 1,000 sqft
CertainLabel™ Calculator for Crabgrass Control Plus 0-0-7 with 0.37% Prodiamine & Red Fescue
Spot Treatment
per
Label Rate:
0.75 fluid ounces per gallon
Cost Effectiveness:
Makes 42.667 gallons
at a cost of
$1.86 per gallon
at a cost of
$1.86 per gallon
Instructions:
See label for growth stage in inches.
Blanket Treatment
per
Label Rate:
0.07 - 0.14 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 232320 - 464640 square feet
at a cost of
$0.17 - $0.34 per 1,000 sqft
at a cost of
$0.17 - $0.34 per 1,000 sqft
Instructions:
See label for growth stage in inches.
Safe On
Chewings Fescue, Fine Fescue, Hard Fescue, and Red Fescue
Safe Rate:
Safe Rate:
0.75 fluid ounces per gallon
or
0.18 - 0.37 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Fusilade II & these grass types
or
0.18 - 0.37 fluid ounces per 1,000 sqft
Tall Fescue
Safe Rate:
Safe Rate:
0.75 fluid ounces per gallon
or
0.11 - 0.14 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Fusilade II & Tall Fescue
or
0.11 - 0.14 fluid ounces per 1,000 sqft
Zoysiagrass
Safe Rate:
Safe Rate:
0.75 fluid ounces per gallon
or
0.07 - 0.09 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Fusilade II & Zoysiagrass
or
0.07 - 0.09 fluid ounces per 1,000 sqft
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Broadcast Treatment
per
Label Rate:
0.5 - 2.3 lbs per 1,000 sqft
Cost Effectiveness:
Covers 2174 - 10000 square feet
at a cost of
$8.31 - $38.22 per 1,000 sqft
at a cost of
$8.31 - $38.22 per 1,000 sqft
Instructions:
See green safe turf rates section or label for more information on rates.
Safe On
Bahiagrass, Bermudagrass, Centipedegrass, Kikuyu Grass, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
1 - 2.3 lbs per 1,000 sqft
CertainLabel™ Calculator for Resolute 65WG & these grass types
Bahiagrass, Bermudagrass, Centipedegrass, Kikuyu Grass, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
1 - 2.3 lbs per 1,000 sqft
CertainLabel™ Calculator for Resolute 65WG & these grass types
Bahiagrass, Bermudagrass, Centipedegrass, Kikuyu Grass, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
1 - 2.3 lbs per 1,000 sqft
CertainLabel™ Calculator for Resolute 65WG & these grass types
Buffalograss, Kentucky Bluegrass, and Perennial Ryegrass
Safe Rate:
Safe Rate:
0.5 - 1.5 lbs per 1,000 sqft
CertainLabel™ Calculator for Resolute 65WG & these grass types
Bentgrass
Safe Rate:
Safe Rate:
0.5 - 1 lbs per 1,000 sqft
CertainLabel™ Calculator for Resolute 65WG & Bentgrass
Fine Fescue
Safe Rate:
Safe Rate:
0.5 - 1.15 lbs per 1,000 sqft
CertainLabel™ Calculator for Resolute 65WG & Fine Fescue
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Broadcast Treatment
per
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
at a cost of
$2.27 - $2.99 per 1,000 sqft
Safe On
Bahiagrass, Bermudagrass, Centipedegrass, St. Augustinegrass, and Zoysiagrass
Safe Rate:
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:
Safe Rate:
1.31 - 1.72 lbs per 1,000 sqft
CertainLabel™ Calculator for Corral 2.68G & these grass types
Bentgrass
Safe Rate:
Safe Rate:
1.31 lbs per 1,000 sqft
CertainLabel™ Calculator for Corral 2.68G & Bentgrass
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Blanket Treatment
per
Label Rate:
0.23 - 1.1 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 116364 - 556521 square feet
at a cost of
$0.31 - $1.46 per 1,000 sqft
at a cost of
$0.31 - $1.46 per 1,000 sqft
Safe On
Bahiagrass, Bermudagrass, Centipedegrass, Kikuyu Grass, Seashore Paspalum, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.5 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Barricade 4FL & these grass types
Bahiagrass, Bermudagrass, Centipedegrass, Kikuyu Grass, Seashore Paspalum, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.5 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Barricade 4FL & these grass types
Bahiagrass, Bermudagrass, Centipedegrass, Kikuyu Grass, Seashore Paspalum, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.5 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Barricade 4FL & these grass types
Buffalograss, Kentucky Bluegrass, and Perennial Ryegrass
Safe Rate:
Safe Rate:
0.23 - 0.7 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Barricade 4FL & these grass types
Bentgrass
Safe Rate:
Safe Rate:
0.23 - 0.48 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Barricade 4FL & Bentgrass
Fine Fescue
Safe Rate:
Safe Rate:
0.23 - 0.55 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Barricade 4FL & Fine Fescue
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Blanket Treatment
per
Label Rate:
0.18 - 0.83 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 154889 - 695652 square feet
at a cost of
$0.55 - $2.47 per 1,000 sqft
at a cost of
$0.55 - $2.47 per 1,000 sqft
Safe On
Bahiagrass, Buffalograss, Carpetgrass, Centipedegrass, Kentucky Bluegrass, Kikuyu Grass, Seashore Paspalum, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.41 - 0.55 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Echelon 4SC & these grass types
Bahiagrass, Buffalograss, Carpetgrass, Centipedegrass, Kentucky Bluegrass, Kikuyu Grass, Seashore Paspalum, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.41 - 0.55 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Echelon 4SC & these grass types
Bentgrass, Fine Fescue, and Perennial Ryegrass
Safe Rate:
Safe Rate:
0.18 - 0.28 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Echelon 4SC & these grass types
Bentgrass, Fine Fescue, and Perennial Ryegrass
Safe Rate:
Safe Rate:
0.18 - 0.28 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Echelon 4SC & these grass types
Bentgrass, Fine Fescue, and Perennial Ryegrass
Safe Rate:
Safe Rate:
0.18 - 0.28 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Echelon 4SC & these grass types
Bermudagrass
Safe Rate:
Safe Rate:
0.55 - 0.83 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Echelon 4SC & Bermudagrass
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Blanket Treatment
per
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
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:
Safe Rate:
1.1 - 1.47 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Coastal & these grass types
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Blanket Treatment
per
Label Rate:
0.23 - 1.1 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 116364 - 556521 square feet
at a cost of
$0.26 - $1.26 per 1,000 sqft
at a cost of
$0.26 - $1.26 per 1,000 sqft
Safe On
Bahiagrass, Bermudagrass, Centipedegrass, Kikuyu Grass, Seashore Paspalum, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.5 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Resolute 4FL & these grass types
Bahiagrass, Bermudagrass, Centipedegrass, Kikuyu Grass, Seashore Paspalum, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.5 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Resolute 4FL & these grass types
Bahiagrass, Bermudagrass, Centipedegrass, Kikuyu Grass, Seashore Paspalum, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.5 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Resolute 4FL & these grass types
Buffalograss, Kentucky Bluegrass, and Perennial Ryegrass
Safe Rate:
Safe Rate:
0.23 - 0.7 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Resolute 4FL & these grass types
Bentgrass
Safe Rate:
Safe Rate:
0.23 - 0.48 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Resolute 4FL & Bentgrass
Fine Fescue
Safe Rate:
Safe Rate:
0.23 - 0.55 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Resolute 4FL & Fine Fescue