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Perennial Sowthistle Weed Killer

Sonchus arvensis Herbicide

Description of Sowthistle, Perennial (Sonchus arvensis):
Perennial sowthistle is often mistaken as a common dandelion, however with one major difference: a dandelion does not grow up to 6 feet tall and have multiple flowers on multiple branching nodes near the top of the plant. Additionally, the leaves of a sowthistle are spade-shaped and have prickles on it.
According to the manufacturer approved labels: The following 7 weed killers, applied at the listed application rates, will control Perennial Sowthistle.
Pre-Emergent
Post-Emergent
| More Info | View Label
Spot Treatment
Label Rate:
0.08 fluid ounces per gallon
Cost Effectiveness:
Makes 96 gallons
at a cost of
$0.56 per gallon
Blanket Treatment
Label Rate:
0.09 - 0.18 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 43560 - 87120 square feet
at a cost of
$0.61 - $1.23 per 1,000 sqft
Safe On
Chewings Fescue, Fine Fescue, Hard Fescue, Perennial Ryegrass, and Red Fescue
Safe Rate:
0.11 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Prime Source Meso 4 SC Select & these grass types
Buffalograss, Centipedegrass, Kentucky Bluegrass, and Tall Fescue
Safe Rate:
0.09 - 0.18 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Prime Source Meso 4 SC Select & these grass types
St. Augustinegrass
Safe Rate:
0.09 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Prime Source Meso 4 SC Select & St. Augustinegrass
Pre-Emergent
Post-Emergent
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Spot Treatment
of
Label Rate:
1.5% mixture
Cost Effectiveness:
Makes 16.667 gallons
at a cost of
$1.36 per gallon
Blanket Treatment
Label Rate:
2.94 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 10890 square feet
at a cost of
$2.08 per 1,000 sqft
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
Pre-Emergent
Post-Emergent
| More Info | View Label
Spot Treatment
Label Rate:
0.08 fluid ounces per gallon
Cost Effectiveness:
Makes 96 gallons
at a cost of
$0.64 per gallon
Blanket Treatment
Label Rate:
0.09 - 0.18 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 43560 - 87120 square feet
at a cost of
$0.71 - $1.41 per 1,000 sqft
Safe On
Chewings Fescue, Fine Fescue, Hard Fescue, Perennial Ryegrass, and Red Fescue
Safe Rate:
0.11 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Tenacity & these grass types
Buffalograss, Centipedegrass, Kentucky Bluegrass, and Tall Fescue
Safe Rate:
0.11 - 0.18 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Tenacity & these grass types
Bermudagrass
Safe Rate:
0.08 fluid ounces per gallon
or
0.11 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Tenacity & Bermudagrass
St. Augustinegrass
Safe Rate:
0.09 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Tenacity & St. Augustinegrass
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:
0.07 - 0.11 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 278784 - 464640 square feet
at a cost of
$0.20 - $0.34 per 1,000 sqft
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
Pre-Emergent
Post-Emergent
| More Info | View Label
Spot Treatment
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
Blanket Treatment
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
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
Pre-Emergent
Post-Emergent
| More Info | View Label
Spot Treatment
Label Rate:
0.2 ounces per gallon
Cost Effectiveness:
Makes 30 gallons
at a cost of
$1.12 per gallon
Blanket Treatment
per
Label Rate:
0.138 - 0.275 ounces per 1,000 sqft
Cost Effectiveness:
Covers 21780 - 43560 square feet
at a cost of
$0.77 - $1.55 per 1,000 sqft
Safe On
Bermudagrass, St. Augustinegrass, and Zoysiagrass
Safe Rate:
0.069 - 0.275 ounces per 1,000 sqft
CertainLabel™ Calculator for Fahrenheight & these grass types
Pre-Emergent
Post-Emergent
| More Info | View Label
Spot Treatment
Label Rate:
0.51 fluid ounces per gallon
Cost Effectiveness:
Makes 63.09 gallons
at a cost of
$2.90 per gallon
Blanket Treatment
Label Rate:
0.51 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 63090 square feet
at a cost of
$2.90 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:
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
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