Description of Johnsongrass (Sorghum halepense):
Johnsongrass is a perennial ryegrass and is considered one of the ten worst weeds in the world. It's characterized by pyramidal, purplish flower heads and reproduces by seed and rhizome. The stems can grow from 3 to 10 feet in height and are unbranched, smooth, erect, stout, hollow, and round. It somewhat resembles corn.
CertainLabel™
Johnsongrass Optimized Control Options Finder
Legend:
Control
Suppression
No Control
According to the manufacturer approved labels: The following 13 weed killers, applied at the listed application rates, will control Johnsongrass.
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:
0.056 ounces per gallon
Cost Effectiveness:
Makes 177.187 gallons
at a cost of
$0.71 per gallon
at a cost of
$0.71 per gallon
Blanket Treatment
per
Label Rate:
0.056 ounces per 1,000 sqft
Cost Effectiveness:
Covers 177187 square feet
at a cost of
$0.71 per 1,000 sqft
at a cost of
$0.71 per 1,000 sqft
Safe On
Bermudagrass, Buffalograss, Centipedegrass, St. Augustinegrass, and Zoysiagrass
Safe Rate:
Safe Rate:
0.056 - 0.113 ounces per gallon
or
0.056 - 0.113 ounces per 1,000 sqft
CertainLabel™ Calculator for Celsius WG & these grass types
or
0.056 - 0.113 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
per
Label Rate:
0.014 - 0.023 ounces per gallon
Cost Effectiveness:
Makes 55.37 - 88.592 gallons
at a cost of
$1.12 - $1.79 per gallon
at a cost of
$1.12 - $1.79 per gallon
Blanket Treatment
per
Label Rate:
0.029 - 0.046 ounces per 1,000 sqft
Cost Effectiveness:
Covers 27225 - 43560 square feet
at a cost of
$2.27 - $3.64 per 1,000 sqft
at a cost of
$2.27 - $3.64 per 1,000 sqft
Safe On
Bahiagrass, Bentgrass, Bermudagrass, Buffalograss, Centipedegrass, Kentucky Bluegrass, Kikuyu Grass, Seashore Paspalum, St. Augustinegrass, and Zoysiagrass
Safe Rate:
Safe Rate:
0.014 - 0.023 ounces per gallon
or
0.029 - 0.046 ounces per 1,000 sqft
CertainLabel™ Calculator for Certainty & these grass types
or
0.029 - 0.046 ounces per 1,000 sqft
Spot Treatment
per
Label Rate:
0.3 - 0.46 fluid ounces per gallon
Cost Effectiveness:
Makes 34.783 - 53.333 gallons
at a cost of
$1.69 - $2.59 per gallon
at a cost of
$1.69 - $2.59 per gallon
Blanket Treatment
per
Label Rate:
0.08 - 0.9 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 17778 - 200000 square feet
at a cost of
$0.45 - $5.06 per 1,000 sqft
at a cost of
$0.45 - $5.06 per 1,000 sqft
Instructions:
See weed growth stage chart in label to determine rate.
Safe On
Annual Bluegrass, Kentucky Bluegrass, and Zoysiagrass
Safe Rate:
Safe Rate:
0.3 - 0.46 fluid ounces per gallon
or
0.08 - 0.64 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Acclaim Extra & these grass types
or
0.08 - 0.64 fluid ounces per 1,000 sqft
Fine Fescue, Perennial Ryegrass, and Tall Fescue
Safe Rate:
Safe Rate:
0.3 - 0.46 fluid ounces per gallon
or
0.08 - 0.9 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Acclaim Extra & these grass types
or
0.08 - 0.9 fluid ounces per 1,000 sqft
Bentgrass
Safe Rate:
Safe Rate:
0.08 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Acclaim Extra & 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.
Blanket Treatment
per
Label Rate:
6.4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$4.60 per 1,000 sqft
at a cost of
$4.60 per 1,000 sqft
Safe On
Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, and Tall Fescue
Safe Rate:
Safe Rate:
6.4 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for BioAdvanced Bermudagrass Control Ready-To-Spray & these grass types
Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, and Tall Fescue
Safe Rate:
Safe Rate:
6.4 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for BioAdvanced Bermudagrass Control Ready-To-Spray & these grass types
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:
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