Spanish Needles Weed Killer

Bidens alba Herbicide

Description of Spanish Needles (Bidens alba):
Spanish needles, also commonly and colloquially referred to as shepherd's needles, is a summer annual plant that grows between 2 and 5 feet in height. The stems are reddish-green to green, strongly veined, mostly hairless, and angular. It grows a deep taproot that allows it to drive deep for nutrients.

Control Options for Spanish Needles

Legend:
Control
Suppression
No Control
Pre-Emergent
Post-Emergent
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Spot Treatment
Label Rate:
1 - 1.5 fluid ounces per gallon
Cost Effectiveness:
Makes 21.33 - 32 gallons
at a cost of
$0.50 - $0.76 per gallon
Broadcast Treatment
Label Rate:
1.1 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 29040 square feet
at a cost of
$0.56 per 1,000 sqft
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.
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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