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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.
According to the manufacturer approved labels: The following 7 weed killers, applied at the listed application rates, will control Prostrate Knotweed.
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.
Blanket 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
Bahiagrass, Bentgrass, Bermudagrass, Buffalograss, Carpetgrass, Centipedegrass, Fine Fescue, Kentucky Bluegrass, Kikuyu Grass, Perennial Ryegrass, Roughstalk Bluegrass, Seashore Paspalum, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
6.4 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Ortho Nutsedge Killer Ready-To-Spray & these grass types
Pre-Emergent
Post-Emergent
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Spot Treatment
Label Rate:
0.75 - 2.4 fluid ounces per gallon
Cost Effectiveness:
Makes 6.667 - 21.333 gallons
at a cost of
$1.23 - $3.94 per gallon
Blanket Treatment
Label Rate:
0.75 - 2.4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 6667 - 21333 square feet
at a cost of
$1.23 - $3.94 per 1,000 sqft
Safe On
Fine Fescue, Perennial Ryegrass, Red Fescue, and Tall Fescue
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
Bahiagrass, Buffalograss, and Centipedegrass
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
Bermudagrass and Zoysiagrass
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
St. Augustinegrass
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
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:
2.4 lbs per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$4.94 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:
2.4 lbs per 1,000 sqft
CertainLabel™ Calculator for BioAdvanced All-in-One Weed & Feed with Microfeed Action & these grass types
Pre-Emergent
Post-Emergent
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Spot Treatment
Label Rate:
0.085 ounces per gallon
Cost Effectiveness:
Makes 118.125 gallons
at a cost of
$1.10 per gallon
Blanket Treatment
per
Label Rate:
0.085 ounces per 1,000 sqft
Cost Effectiveness:
Covers 118125 square feet
at a cost of
$1.10 per 1,000 sqft
Safe On
Bermudagrass, Buffalograss, Centipedegrass, St. Augustinegrass, and Zoysiagrass
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
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.
Blanket Treatment
per
Label Rate:
0.075 - 0.23 ounces per 1,000 sqft
Cost Effectiveness:
Covers 34783 - 106667 square feet
at a cost of
$0.96 - $2.95 per 1,000 sqft
Instructions:
See green safe rates table to determine rates for specific turfgrasses.
Safe On
Bermudagrass, Centipedegrass, St. Augustinegrass, and Zoysiagrass
Safe Rate:
0.15 - 0.23 ounces per 1,000 sqft
CertainLabel™ Calculator for Blindside & these grass types
Kentucky Bluegrass and Tall Fescue
Safe Rate:
0.075 - 0.15 ounces per 1,000 sqft
CertainLabel™ Calculator for Blindside & these grass types
Safer Brand 9334 Lawn Restore Fertilizer – 25 lb,White
153
$
29.99
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.
Blanket Treatment
Label Rate:
0.09 - 0.28 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 21818 - 65217 square feet
at a cost of
$0.97 - $2.89 per 1,000 sqft
Safe On
Bahiagrass, Bermudagrass, Buffalograss, Carpetgrass, Centipedegrass, Kikuyu Grass, Seashore Paspalum, St. Augustinegrass, and Zoysiagrass
Safe Rate:
0.18 - 0.28 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Dismiss & these grass types
Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, and Tall Fescue
Safe Rate:
0.09 - 0.18 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Dismiss & these grass types
Bentgrass
Safe Rate:
0.09 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Dismiss & Bentgrass
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:
2.12 lbs per 1,000 sqft
Cost Effectiveness:
Covers 23529 square feet
at a cost of
$5.67 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
$11.33 per 1,000 sqft
Instructions:
Full rate application.
Safe On
Bahiagrass, Bentgrass, Bermudagrass, Buffalograss, Carpetgrass, Centipedegrass, Fine Fescue, Kentucky Bluegrass, Kikuyu Grass, Perennial Ryegrass, Seashore Paspalum, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
2.3 - 4.25 lbs per 1,000 sqft
CertainLabel™ Calculator for Dimension 270G & these grass types