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Western Ragweed Weed Killer

Ambrosia psilostachya Herbicide

Description of Ragweed, Western (Ambrosia psilostachya):
Western ragweed is a perennial that grows between 1 and 2 feet in height. It has grayish-green leaves that are bristly or hairy. The leaves are 2 to 5 inches in length and have very deep serrations that are sometimes pointed and sometimes rounded. It flowers in the late summer through fall.
According to the manufacturer approved labels: The following 3 weed killers, applied at the listed application rates, will control Western Ragweed.
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 - 0.16 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 199131 - 348480 square feet
at a cost of
$0.28 - $0.48 per 1,000 sqft
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
Standard Golf Levelawn
292
$
121.00
$132.00
Save 8%
Pre-Emergent
Post-Emergent
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Spot Treatment
Label Rate:
0.113 ounces per gallon
Cost Effectiveness:
Makes 88.594 gallons
at a cost of
$1.52 per gallon
Blanket Treatment
per
Label Rate:
0.113 ounces per 1,000 sqft
Cost Effectiveness:
Covers 88594 square feet
at a cost of
$1.52 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
| 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:
1.1 - 1.47 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 217800 - 290400 square feet
at a cost of
$1.18 - $1.58 per 1,000 sqft
Instructions:
The lower rate is recommended for spring if spring transition is expected within a month. Higher rates may be used if spring transition is at least 4-6 weeks away or has already occurred and also for fall.
Safe On
Bermudagrass, Centipedegrass, St. Augustinegrass, and Zoysiagrass
Safe Rate:
1.1 - 1.47 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for Coastal & these grass types

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