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.

Control Options for Ragweed, Western

Legend:
Control
Suppression
No Control
Pre-Emergent
Post-Emergent
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Spot Treatment
Label Rate:
0.11 ounces per gallon
Cost Effectiveness:
Makes 88.59 gallons
at a cost of
$1.37 per gallon
Broadcast Treatment
per
Label Rate:
0.11 ounces per 1,000 sqft
Cost Effectiveness:
Covers 88594 square feet
at a cost of
$1.37 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
| 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:
0.09 - 0.16 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 199131 - 348480 square feet
at a cost of
$0.30 - $0.52 per 1,000 sqft
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
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