Description of Lettuce, Prickly (lactuca serriola):
Prickly lettuce can grow from 1 to 5 feet in height. It has a dense tap root that extrudes a milky sap when cut. The yellow flowers grow in late spring to early summer and is approximately 1/3" in diameter. A single plant can produce 35 to 2,300 flowers each.
CertainLabel™
Prickly Lettuce Optimized Control Options Finder
Legend:
Control
Suppression
No Control
According to the manufacturer approved labels: The following 21 weed killers, applied at the listed application rates, will control Prickly Lettuce.
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Broadcast Treatment
per
Label Rate:
2.4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$7.23 per 1,000 sqft
at a cost of
$7.23 per 1,000 sqft
Safe On
Annual Ryegrass, Bermudagrass, Buffalograss, Chewings Fescue, Fine Fescue, Hard Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, Seashore Paspalum, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
2.4 lbs per 1,000 sqft
CertainLabel™ Calculator for BioAdvanced All-in-One Weed & Feed with Microfeed Action & 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:
0.075 - 0.23 ounces per 1,000 sqft
Cost Effectiveness:
Covers 34783 - 106667 square feet
at a cost of
$1.10 - $3.39 per 1,000 sqft
at a cost of
$1.10 - $3.39 per 1,000 sqft
Instructions:
See green safe rates table to determine rates for specific turfgrasses.
Safe On
Bermudagrass, Centipedegrass, St. Augustinegrass, and Zoysiagrass
Safe Rate:
Safe Rate:
0.15 - 0.23 ounces per 1,000 sqft
CertainLabel™ Calculator for Blindside & these grass types
Kentucky Bluegrass and Tall Fescue
Safe Rate:
Safe Rate:
0.075 - 0.15 ounces per 1,000 sqft
CertainLabel™ Calculator for Blindside & these grass types
Spot Treatment
per
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
at a cost of
$1.88 - $3.14 per gallon
Blanket Treatment
per
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
at a cost of
$1.88 - $3.14 per 1,000 sqft
Safe On
Annual Bluegrass, Annual Ryegrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Roughstalk Bluegrass, and Tall Fescue
Safe Rate:
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
or
2.6 - 3 fluid ounces per 1,000 sqft
Bermudagrass and Zoysiagrass
Safe Rate:
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
or
1.8 - 2.6 fluid ounces per 1,000 sqft
Spot Treatment
per
Label Rate:
5.3 fluid ounces per gallon
Cost Effectiveness:
Makes 6.038 gallons
at a cost of
$2.34 per gallon
at a cost of
$2.34 per gallon
Blanket Treatment
per
Label Rate:
2.94 - 5.29 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 6050 - 10890 square feet
at a cost of
$1.30 - $2.33 per 1,000 sqft
at a cost of
$1.30 - $2.33 per 1,000 sqft
Safe On
Annual Ryegrass, Bermudagrass, Buffalograss, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, St. Augustinegrass, and Tall Fescue
Safe Rate:
Safe Rate:
5.3 fluid ounces per gallon
or
2.94 - 5.29 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Hi-Yield 2,4-D 11.84% & these grass types
or
2.94 - 5.29 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:
0.034 ounces per 1,000 sqft
Cost Effectiveness:
Covers 43560 square feet
at a cost of
$1.26 per 1,000 sqft
at a cost of
$1.26 per 1,000 sqft
Safe On
Bermudagrass and Zoysiagrass
Safe Rate:
Safe Rate:
0.034 ounces per 1,000 sqft
CertainLabel™ Calculator for Negate 37WG & these grass types
Spot Treatment
per
Label Rate:
0.92 - 1.5 fluid ounces per gallon
Cost Effectiveness:
Makes 85.333 - 139.13 gallons
at a cost of
$0.59 - $0.96 per gallon
at a cost of
$0.59 - $0.96 per gallon
Blanket Treatment
per
Label Rate:
0.92 - 1.5 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 85333 - 139130 square feet
at a cost of
$0.59 - $0.96 per 1,000 sqft
at a cost of
$0.59 - $0.96 per 1,000 sqft
Safe On
Annual Bluegrass, Annual Ryegrass, Bentgrass, Colonial Bentgrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, and Tall Fescue
Safe Rate:
Safe Rate:
1.2 - 1.5 fluid ounces per gallon
or
1.2 - 1.5 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Surge & these grass types
or
1.2 - 1.5 fluid ounces per 1,000 sqft
Annual Bluegrass, Annual Ryegrass, Bentgrass, Colonial Bentgrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, and Tall Fescue
Safe Rate:
Safe Rate:
1.2 - 1.5 fluid ounces per gallon
or
1.2 - 1.5 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Surge & these grass types
or
1.2 - 1.5 fluid ounces per 1,000 sqft
Bahiagrass, Bermudagrass, Buffalograss, Centipedegrass, and Zoysiagrass
Safe Rate:
Safe Rate:
1 - 1.2 fluid ounces per gallon
or
1 - 1.2 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Surge & these grass types
or
1 - 1.2 fluid ounces per 1,000 sqft
Bahiagrass, Bermudagrass, Buffalograss, Centipedegrass, and Zoysiagrass
Safe Rate:
Safe Rate:
1 - 1.2 fluid ounces per gallon
or
1 - 1.2 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Surge & these grass types
or
1 - 1.2 fluid ounces per 1,000 sqft
Spot Treatment
per
Label Rate:
6.4 fluid ounces per gallon
Cost Effectiveness:
Makes 5 gallons
at a cost of
$3.59 per gallon
at a cost of
$3.59 per gallon
Blanket Treatment
per
Label Rate:
6.4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$3.59 per 1,000 sqft
at a cost of
$3.59 per 1,000 sqft
Safe On
Bentgrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
6.4 fluid ounces per gallon
or
6.4 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for BioAdvanced All in One Lawn Weed and Crabgrass Killer & these grass types
or
6.4 fluid ounces per 1,000 sqft
Spot Treatment
per
Label Rate:
6.25 fluid ounces per gallon
Cost Effectiveness:
Makes 5.12 gallons
at a cost of
$4.38 per gallon
at a cost of
$4.38 per gallon
Blanket Treatment
per
Label Rate:
6.4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$4.48 per 1,000 sqft
at a cost of
$4.48 per 1,000 sqft
Safe On
Annual Ryegrass, Bermudagrass, Buffalograss, Chewings Fescue, Fine Fescue, Hard Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
6.25 fluid ounces per gallon
or
6.4 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Fertilome Weed-Out with Crabgrass Killer & these grass types
or
6.4 fluid ounces per 1,000 sqft
Spot Treatment
per
Label Rate:
0.73 - 1.1 fluid ounces per gallon
Cost Effectiveness:
Makes 116.364 - 175.342 gallons
at a cost of
$0.19 - $0.29 per gallon
at a cost of
$0.19 - $0.29 per gallon
Blanket Treatment
per
Label Rate:
0.73 - 1.1 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 116364 - 175342 square feet
at a cost of
$0.19 - $0.29 per 1,000 sqft
at a cost of
$0.19 - $0.29 per 1,000 sqft
Instructions:
These species may require repeat applications and/or use of the higher specified rate even under ideal conditions for application.
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Blanket Treatment
per
Label Rate:
0.37 - 1.47 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 217800 - 871200 square feet
at a cost of
$0.00 per 1,000 sqft
at a cost of
$0.00 per 1,000 sqft
Safe On
Bahiagrass, Bentgrass, Bermudagrass, Buffalograss, Chewings Fescue, Fine Fescue, Hard Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.37 - 1.47 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for 2,4-D Amine 4 & these grass types
Spot Treatment
of
Label Rate:
0.5 - 1% mixture
Cost Effectiveness:
Makes 100 - 200 gallons
at a cost of
$0.35 - $0.70 per gallon
at a cost of
$0.35 - $0.70 per gallon
Blanket Treatment
per
Label Rate:
0.73 - 1.1 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 116160 - 174240 square feet
at a cost of
$0.40 - $0.60 per 1,000 sqft
at a cost of
$0.40 - $0.60 per 1,000 sqft
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
Spot Treatment
per
Label Rate:
0.5 - 1 fluid ounces per gallon
Cost Effectiveness:
Makes 320 - 640 gallons
at a cost of
$0.32 - $0.64 per gallon
at a cost of
$0.32 - $0.64 per gallon
Blanket Treatment
per
Label Rate:
1.1 - 1.5 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 213333 - 290909 square feet
at a cost of
$0.71 - $0.96 per 1,000 sqft
at a cost of
$0.71 - $0.96 per 1,000 sqft
Safe On
Bahiagrass, Bermudagrass, Buffalograss, Centipedegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.5 - 1 fluid ounces per gallon
or
1.1 - 1.5 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Battleship III & these grass types
or
1.1 - 1.5 fluid ounces per 1,000 sqft
Bentgrass, Chewings Fescue, Kentucky Bluegrass, Perennial Ryegrass, and Red Fescue
Safe Rate:
Safe Rate:
0.5 - 1 fluid ounces per gallon
or
1.1 - 1.5 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Battleship III & these grass types
or
1.1 - 1.5 fluid ounces per 1,000 sqft
Spot Treatment
per
Label Rate:
0.7 - 2.2 fluid ounces per gallon
Cost Effectiveness:
Makes 58.182 - 182.857 gallons
at a cost of
$0.62 - $1.94 per gallon
at a cost of
$0.62 - $1.94 per gallon
Blanket Treatment
per
Label Rate:
0.7 - 2.2 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 58182 - 182857 square feet
at a cost of
$0.62 - $1.94 per 1,000 sqft
at a cost of
$0.62 - $1.94 per 1,000 sqft
Safe On
Annual Bluegrass, Annual Ryegrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, and Tall Fescue
Safe Rate:
Safe Rate:
192 - 281.6 fluid ounces per gallon
or
1.5 - 2.2 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for SpeedZone Southern EW & these grass types
or
1.5 - 2.2 fluid ounces per 1,000 sqft
Bahiagrass, Bermudagrass, Centipedegrass, Seashore Paspalum, St. Augustinegrass, and Zoysiagrass
Safe Rate:
Safe Rate:
89.6 - 192 fluid ounces per gallon
or
0.7 - 1.5 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for SpeedZone Southern EW & these grass types
or
0.7 - 1.5 fluid ounces per 1,000 sqft
Bentgrass
Safe Rate:
Safe Rate:
192 - 281.6 fluid ounces per gallon
or
1.5 - 2.2 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for SpeedZone Southern EW & Bentgrass
or
1.5 - 2.2 fluid ounces per 1,000 sqft
Spot Treatment
per
Label Rate:
0.18 fluid ounces per gallon
Cost Effectiveness:
Makes 175.251 gallons
at a cost of
$1.04 per gallon
at a cost of
$1.04 per gallon
Blanket Treatment
per
Label Rate:
0.18 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 175251 square feet
at a cost of
$1.04 per 1,000 sqft
at a cost of
$1.04 per 1,000 sqft
Safe On
Bahiagrass, Bentgrass, Bermudagrass, Buffalograss, Centipedegrass, Chewings Fescue, Kentucky Bluegrass, Kikuyu Grass, Perennial Ryegrass, Red Fescue, Seashore Paspalum, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.09 - 0.51 fluid ounces per gallon
or
0.09 - 0.51 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Lontrel & these grass types
or
0.09 - 0.51 fluid ounces per 1,000 sqft
Spot Treatment
per
Label Rate:
1.33 fluid ounces per gallon
Cost Effectiveness:
Makes 24.06 gallons
at a cost of
$0.81 per gallon
at a cost of
$0.81 per gallon
Blanket Treatment
per
Label Rate:
0.73 - 1.16 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 27657 - 43560 square feet
at a cost of
$0.45 - $0.70 per 1,000 sqft
at a cost of
$0.45 - $0.70 per 1,000 sqft
Instructions:
These species may require repeat treatments and/or the specified higher rate.
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
Spot Treatment
per
Label Rate:
0.66 - 1 fluid ounces per gallon
Cost Effectiveness:
Makes 320 - 484.848 gallons
at a cost of
$0.27 - $0.41 per gallon
at a cost of
$0.27 - $0.41 per gallon
Blanket Treatment
per
Label Rate:
0.73 - 1.1 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 290909 - 438356 square feet
at a cost of
$0.30 - $0.45 per 1,000 sqft
at a cost of
$0.30 - $0.45 per 1,000 sqft
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
Spot Treatment
per
Label Rate:
0.75 - 1.5 fluid ounces per gallon
Cost Effectiveness:
Makes 85.333 - 170.667 gallons
at a cost of
$0.64 - $1.27 per gallon
at a cost of
$0.64 - $1.27 per gallon
Blanket Treatment
per
Label Rate:
0.75 - 1.5 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 85333 - 170667 square feet
at a cost of
$0.64 - $1.27 per 1,000 sqft
at a cost of
$0.64 - $1.27 per 1,000 sqft
Safe On
Annual Bluegrass, Annual Ryegrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, and Tall Fescue
Safe Rate:
Safe Rate:
1.2 - 1.5 fluid ounces per gallon
or
1.2 - 1.5 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for TZone SE & these grass types
or
1.2 - 1.5 fluid ounces per 1,000 sqft
Bahiagrass, Bermudagrass, and Zoysiagrass
Safe Rate:
Safe Rate:
0.75 - 0.83 fluid ounces per gallon
or
0.75 - 0.83 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for TZone SE & these grass types
or
0.75 - 0.83 fluid ounces per 1,000 sqft
Spot Treatment
per
Label Rate:
1.33 fluid ounces per gallon
Cost Effectiveness:
Makes 24.06 gallons
at a cost of
$0.90 per gallon
at a cost of
$0.90 per gallon
Blanket Treatment
per
Label Rate:
0.75 - 1.16 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 27586 - 42667 square feet
at a cost of
$0.51 - $0.78 per 1,000 sqft
at a cost of
$0.51 - $0.78 per 1,000 sqft
Instructions:
Use 0.75 to 1.16 fl. oz. of product (0.022-0.034 lb ae) per 1,000 sq. ft. per application for control of annual broadleaf weeds. Use 1.16 fl. oz. of product (0.034 lb ae) per 1,000 sq. ft per application for control of biennial and perennial broadleaf weeds.
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
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
per
Label Rate:
0.73 - 1.1 fluid ounces per gallon
Cost Effectiveness:
Makes 29.091 - 43.836 gallons
at a cost of
$1.05 - $1.58 per gallon
at a cost of
$1.05 - $1.58 per gallon
Blanket Treatment
per
Label Rate:
0.73 - 1.1 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 29091 - 43836 square feet
at a cost of
$1.05 - $1.58 per 1,000 sqft
at a cost of
$1.05 - $1.58 per 1,000 sqft
Safe On
Annual Ryegrass, Bahiagrass, Bermudagrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.73 - 1.1 fluid ounces per gallon
or
0.73 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Horsepower & these grass types
or
0.73 - 1.1 fluid ounces per 1,000 sqft
Bentgrass
Safe Rate:
Safe Rate:
0.73 - 1.1 fluid ounces per gallon
or
0.73 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Horsepower & Bentgrass
or
0.73 - 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.
Blanket Treatment
per
Label Rate:
0.37 ounces per 1,000 sqft
Cost Effectiveness:
Covers 43199 square feet
at a cost of
$3.45 per 1,000 sqft
at a cost of
$3.45 per 1,000 sqft
Safe On
Bahiagrass, Bentgrass, Bermudagrass, Buffalograss, Centipedegrass, Chewings Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
Safe Rate:
0.247 - 0.494 ounces per 1,000 sqft
CertainLabel™ Calculator for Quali-Pro Isoxaben 75WG & these grass types