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.

Control Options for Knotweed, Prostrate

Legend:
Control
Suppression
No Control
Pre-Emergent
Post-Emergent
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Spot Treatment
Label Rate:
0.08 ounces per gallon
Cost Effectiveness:
Makes 118.12 gallons
at a cost of
$1.03 per gallon
Broadcast Treatment
per
Label Rate:
0.08 ounces per 1,000 sqft
Cost Effectiveness:
Covers 118125 square feet
at a cost of
$1.03 per 1,000 sqft
Safe On
St. Augustinegrass, Bermudagrass, Centipedegrass, Zoysiagrass, Buffalograss Safe Rate:
0.06 - 0.11 ounces per gallon
or
0.06 - 0.11 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:
2.12 lbs per 1,000 sqft
Cost Effectiveness:
Covers 23529 square feet
at a cost of
$6.12 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
$12.25 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
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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:
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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