Prostrate Knotweed Weed Killer

Polygonum aviculare Herbicide

Description of Knotweed, Prostrate (Polygonum aviculare):
Summer annual or perennial that can reach 18 inches across. The slender stems radiate from a central taproot and produce a tough mat-like growth. Leaves are small, blue green, smooth, and arranged alternately along the stem. It is often a problem along driveways, sidewalks, and beaten paths. This weed germinates with the first warm temperatures in the spring.
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
per
Label Rate:
0.075 - 0.23 ounces per 1,000 sqft
Cost Effectiveness:
Covers 34783 - 106667 square feet
at a cost of
$1.17 - $3.59 per 1,000 sqft
Instructions:
See green safe rates table to determine rates for specific turfgrasses.
Safe On
Kentucky Bluegrass, Tall Fescue Safe Rate:
0.075 - 0.15 ounces per 1,000 sqft
Bermudagrass, Centipedegrass, St. Augustinegrass, Zoysiagrass Safe Rate:
0.15 - 0.23 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
$1.07 - $3.42 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
$1.07 - $3.42 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
Label Rate:
0.085 ounces per gallon
Cost Effectiveness:
Makes 118.12 gallons
at a cost of
$1.04 per gallon
Broadcast Treatment
per
Label Rate:
0.085 ounces per 1,000 sqft
Cost Effectiveness:
Covers 118125 square feet
at a cost of
$1.04 per 1,000 sqft
Safe On
St. Augustinegrass, Bermudagrass, Centipedegrass, Zoysiagrass, Buffalograss Safe Rate:
0.056 - 0.113 ounces per gallon
or
0.056 - 0.113 ounces per 1,000 sqft
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:
2.125 lbs per 1,000 sqft
Cost Effectiveness:
Covers 23529 square feet
at a cost of
$5.21 per 1,000 sqft
Instructions:
Half rate application.
Broadcast Treatment
Label Rate:
4.25 lbs per 1,000 sqft
Cost Effectiveness:
Covers 11765 square feet
at a cost of
$10.42 per 1,000 sqft
Instructions:
Full rate application.
Safe On
Bentgrass, Kentucky Bluegrass, Fine Fescue, Tall Fescue, Perennial Ryegrass, Bahiagrass, Bermudagrass, Buffalograss, Carpetgrass, Centipedegrass, Kikuyu Grass, Seashore Paspalum, St. Augustinegrass, Zoysiagrass Safe Rate:
2.3 - 4.25 lbs per 1,000 sqft
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.
Broadcast Treatment
Label Rate:
6.4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$3.00 per 1,000 sqft
Safe On
Bentgrass, Tall Fescue, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Bermudagrass, St. Augustinegrass, Zoysiagrass, Centipedegrass, Buffalograss, Bahiagrass, Kikuyu Grass, Seashore Paspalum, Bluegrass, Roughstalk, Carpetgrass Safe Rate:
6.4 fluid ounces per 1,000 sqft
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