Description of Sowthistle, Prickly (sonchus asper):
Spiny sowthistle an an annual weed that may grow up to 6 feet in height. The leaves are greenish-blue and, when cut, the stems release a milky white sap. The flowers are about 1/2 to 1 inch across and are yellow. It's easy to remove this particular weed due to the fact that it is just a large taproot with a plant on top.
CertainLabel™
Prickly Sowthistle Optimized Control Options Finder
Legend:
Control
Suppression
No Control
According to the manufacturer approved labels: The following 9 weed killers, applied at the listed application rates, will control Prickly Sowthistle.
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:
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
per
Label Rate:
0.75 - 2.4 fluid ounces per gallon
Cost Effectiveness:
Makes 6.667 - 21.333 gallons
at a cost of
$1.20 - $3.84 per gallon
at a cost of
$1.20 - $3.84 per gallon
Blanket Treatment
per
Label Rate:
0.75 - 2.4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 6667 - 21333 square feet
at a cost of
$1.20 - $3.84 per 1,000 sqft
at a cost of
$1.20 - $3.84 per 1,000 sqft
Safe On
Fine Fescue, Perennial Ryegrass, Red Fescue, and Tall Fescue
Safe Rate:
Safe Rate:
1.5 - 2.4 fluid ounces per gallon
or
1.5 - 2.4 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Bonide Weed Beater Ultra Concentrate & these grass types
or
1.5 - 2.4 fluid ounces per 1,000 sqft
Bahiagrass, Buffalograss, and Centipedegrass
Safe Rate:
Safe Rate:
0.75 - 1.8 fluid ounces per gallon
or
0.75 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Bonide Weed Beater Ultra Concentrate & these grass types
or
0.75 - 1.1 fluid ounces per 1,000 sqft
Bermudagrass and Zoysiagrass
Safe Rate:
Safe Rate:
0.75 - 1.8 fluid ounces per gallon
or
0.75 - 1.8 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Bonide Weed Beater Ultra Concentrate & these grass types
or
0.75 - 1.8 fluid ounces per 1,000 sqft
St. Augustinegrass
Safe Rate:
Safe Rate:
0.75 - 1.8 fluid ounces per gallon
or
0.75 - 1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Bonide Weed Beater Ultra Concentrate & St. Augustinegrass
or
0.75 - 1.1 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
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
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
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:
0.494 ounces per 1,000 sqft
Cost Effectiveness:
Covers 32399 square feet
at a cost of
$4.60 per 1,000 sqft
at a cost of
$4.60 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