Annual Sowthistle Weed Killer

Sonchus oleraceus Herbicide

Description of Sowthistle, Annual (Sonchus oleraceus):
Annual sowthistle is a fleshy plant that grows between 1 and 4 feet tall. It has spiny leaves that alternate and have deeply lobed margins. The veins of the leaves may be purple in color. It is often mistaken for a dandelion, but sowthistle leaves are spade-shaped and dandelion leaves are spiky. Also, dandelions only have one flower per stem.
Pre-Emergent
Post-Emergent
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Spot Treatment
Label Rate:
1 - 1.5 fluid ounces per gallon
Cost Effectiveness:
Makes 21.33 - 32 gallons
at a cost of
$0.77 - $1.15 per gallon
Broadcast Treatment
Label Rate:
1.102 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 29040 square feet
at a cost of
$0.84 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, Zoysiagrass Safe Rate:
1 - 1.5 fluid ounces per gallon
or
1.102 fluid ounces per 1,000 sqft
Pre-Emergent
Post-Emergent
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Spot Treatment
Label Rate:
0.75 - 2.4 fluid ounces per gallon
Cost Effectiveness:
Makes 6.67 - 21.33 gallons
at a cost of
$1.10 - $3.51 per gallon
Broadcast Treatment
Label Rate:
0.75 - 2.4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 6667 - 21333 square feet
at a cost of
$1.10 - $3.51 per 1,000 sqft
Safe On
Bahiagrass, Buffalograss, Centipedegrass, St. Augustinegrass Safe Rate:
0.75 - 1.8 fluid ounces per gallon
or
0.75 - 1.1 fluid ounces per 1,000 sqft
Bermudagrass, Zoysiagrass Safe Rate:
0.75 - 1.8 fluid ounces per gallon
or
0.75 - 1.8 fluid ounces per 1,000 sqft
Perennial Ryegrass, Tall Fescue, Red Fescue, Fine Fescue Safe Rate:
1.5 - 2.4 fluid ounces per gallon
or
1.5 - 2.4 fluid ounces per 1,000 sqft
Pre-Emergent
Post-Emergent
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Spot Treatment
of
Label Rate:
1 - 1.5% mixture
Cost Effectiveness:
Makes 16.67 - 25 gallons
at a cost of
$1.08 - $1.61 per gallon
Broadcast Treatment
Label Rate:
1.469 - 2.938 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 10890 - 21780 square feet
at a cost of
$1.24 - $2.47 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
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Spot Treatment
No spot treatment rates listed. Please, review the label or contact the merchant for more information.
Broadcast Treatment
Label Rate:
0.161 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 199131 square feet
at a cost of
$0.48 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
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Spot Treatment
Label Rate:
0.083 fluid ounces per gallon
Cost Effectiveness:
Makes 96 gallons
at a cost of
$0.62 per gallon
Broadcast Treatment
Label Rate:
0.092 - 0.184 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 43560 - 87120 square feet
at a cost of
$0.69 - $1.38 per 1,000 sqft
Safe On
St. Augustinegrass Safe Rate:
0.092 fluid ounces per 1,000 sqft
Kentucky Bluegrass, Centipedegrass, Buffalograss, Tall Fescue Safe Rate:
0.092 - 0.184 fluid ounces per 1,000 sqft
Perennial Ryegrass, Fine Fescue, Red Fescue, Chewings Fescue, Hard Fescue Safe Rate:
0.115 fluid ounces per 1,000 sqft
Pre-Emergent
Post-Emergent
| More Info | View Label
Spot Treatment
Label Rate:
0.083 fluid ounces per gallon
Cost Effectiveness:
Makes 96 gallons
at a cost of
$0.74 per gallon
Broadcast Treatment
Label Rate:
0.092 - 0.184 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 43560 - 87120 square feet
at a cost of
$0.82 - $1.64 per 1,000 sqft
Safe On
St. Augustinegrass Safe Rate:
0.092 fluid ounces per 1,000 sqft
Chewings Fescue, Hard Fescue, Perennial Ryegrass, Fine Fescue, Red Fescue Safe Rate:
0.115 fluid ounces per 1,000 sqft
Kentucky Bluegrass, Centipedegrass, Buffalograss, Tall Fescue Safe Rate:
0.115 - 0.184 fluid ounces per 1,000 sqft
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