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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.
According to the manufacturer approved labels: The following 5 weed killers, applied at the listed application rates, will control Spanish Needles.
Pre-Emergent
Post-Emergent
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Spot Treatment
Label Rate:
1 - 1.5 fluid ounces per gallon
Cost Effectiveness:
Makes 21.333 - 32 gallons
at a cost of
$0.73 - $1.09 per gallon
Blanket Treatment
Label Rate:
1.1 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 29040 square feet
at a cost of
$0.80 per 1,000 sqft
Safe On
Annual Ryegrass, Bahiagrass, Bentgrass, Bermudagrass, Buffalograss, Carpetgrass, Centipedegrass, Chewings Fescue, Fine Fescue, Hard Fescue, Kentucky Bluegrass, Kikuyu Grass, Perennial Ryegrass, Red Fescue, St. Augustinegrass, Tall Fescue, and Zoysiagrass
Safe Rate:
1 - 1.5 fluid ounces per gallon
or
1.1 fluid ounces per 1,000 sqft
CertainLabel™ Calculator for 2,4-d Amine & these grass types
Pre-Emergent
Post-Emergent
| More Info | View Label
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
| 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:
0.09 - 0.16 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 199131 - 348480 square feet
at a cost of
$0.28 - $0.49 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
of
Label Rate:
0.5 - 1% mixture
Cost Effectiveness:
Makes 100 - 200 gallons
at a cost of
$0.25 - $0.51 per gallon
Blanket Treatment
Label Rate:
0.73 - 1.1 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 116160 - 174240 square feet
at a cost of
$0.29 - $0.44 per 1,000 sqft
Safe On
No safe on treatments listed. Please, review the label or contact the merchant for more information.