Annual Bluegrass Weed Killer

Poa annua Herbicide

Description of Bluegrass, Annual (poa annua):
Annual bluegrass is a short, cool-season annual, biennial, or perennial grass. It can easily be distinguished from other grasses by its leaf tip, which is shaped like the bow of a boat.

Control Options for Bluegrass, Annual

Legend:
Control
Suppression
No Control
Pre-Emergent
Post-Emergent
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Spot Treatment
Label Rate:
0.01 - 0.02 ounces per gallon
Cost Effectiveness:
Makes 55.37 - 88.59 gallons
at a cost of
$1.01 - $1.62 per gallon
Broadcast Treatment
per
Label Rate:
0.03 - 0.05 ounces per 1,000 sqft
Cost Effectiveness:
Covers 27225 - 43560 square feet
at a cost of
$2.06 - $3.30 per 1,000 sqft
Safe On
Bentgrass, Kentucky Bluegrass, Bermudagrass, Bahiagrass, Centipedegrass, Kikuyu Grass, St. Augustinegrass, Seashore Paspalum, Zoysiagrass, Buffalograss Safe Rate:
0.01 - 0.02 ounces per gallon
or
0.03 - 0.05 ounces per 1,000 sqft
Pre-Emergent
Post-Emergent
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Spot Treatment
Label Rate:
2.5 fluid ounces per gallon
Cost Effectiveness:
Makes 9.6 gallons
at a cost of
$2.62 per gallon
Broadcast Treatment
Label Rate:
4 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 6000 square feet
at a cost of
$4.19 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
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Spot Treatment
Label Rate:
0.08 fluid ounces per gallon
Cost Effectiveness:
Makes 96 gallons
at a cost of
$0.63 per gallon
Broadcast Treatment
Label Rate:
0.09 - 0.18 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 43560 - 87120 square feet
at a cost of
$0.70 - $1.39 per 1,000 sqft
Safe On
St. Augustinegrass Safe Rate:
0.09 fluid ounces per 1,000 sqft
Kentucky Bluegrass, Centipedegrass, Buffalograss, Tall Fescue Safe Rate:
0.09 - 0.18 fluid ounces per 1,000 sqft
Perennial Ryegrass, Fine Fescue, Red Fescue, Chewings Fescue, Hard Fescue Safe Rate:
0.11 fluid ounces per 1,000 sqft
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:
3.1 - 7.2 lbs per 1,000 sqft
Cost Effectiveness:
Covers 6944 - 16129 square feet
at a cost of
$4.65 - $10.79 per 1,000 sqft
Safe On
Bentgrass Safe Rate:
1.8 - 2.4 lbs per 1,000 sqft
Fine Fescue, Red Fescue Safe Rate:
1.8 - 3.6 lbs per 1,000 sqft
Buffalograss, Kentucky Bluegrass, Perennial Ryegrass Safe Rate:
1.8 - 4.8 lbs per 1,000 sqft
Bermudagrass, Bahiagrass, Centipedegrass, Kikuyu Grass, Seashore Paspalum, St. Augustinegrass, Tall Fescue, Zoysiagrass Safe Rate:
1.8 - 7.2 lbs per 1,000 sqft
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
per
Label Rate:
0.18 - 0.83 ounces per 1,000 sqft
Cost Effectiveness:
Covers 96386 - 432432 square feet
at a cost of
$0.15 - $0.69 per 1,000 sqft
Instructions:
In areas where Poa annua is a winter annual, apply Prodiamine 65WDG (see Table 1) in August or September to established, non-overseeded turf before Poa annua seeds germinate. These timings are approximate. Consult State Extension Service for more specific timing for your area. Also, see the section of this label "Poa Annua Control in Established Bermudagrass Overseeded with Perennial Ryegrass”.
Refer to the green safe rates table for the correct rate for your turf-type.
Safe On
Bentgrass Safe Rate:
0.18 - 0.37 ounces per 1,000 sqft
Fine Fescue Safe Rate:
0.18 - 0.42 ounces per 1,000 sqft
Buffalograss, Kentucky Bluegrass, Perennial Ryegrass Safe Rate:
0.18 - 0.55 ounces per 1,000 sqft
Bermudagrass, Bahiagrass, Centipedegrass, Kikuyu Grass, Seashore Paspalum, St. Augustinegrass, Tall Fescue, Zoysiagrass Safe Rate:
0.36 - 0.83 ounces per 1,000 sqft
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
Application Interval:
Fall
Label Rate:
2 lbs per 1,000 sqft
Cost Effectiveness:
Covers 5000 square feet
at a cost of
$3.70 per 1,000 sqft
Instructions:
For southern weeds. Apply when lawn is dry.
Safe On
Kentucky Bluegrass, Perennial Ryegrass, Centipedegrass, Tall Fescue, St. Augustinegrass, Zoysiagrass, Kikuyu Grass, Bermudagrass, Bahiagrass, Buffalograss Safe Rate:
2 lbs per 1,000 sqft
Pre-Emergent
Post-Emergent
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Spot Treatment
Label Rate:
0.08 fluid ounces per gallon
Cost Effectiveness:
Makes 96 gallons
at a cost of
$0.67 per gallon
Broadcast Treatment
Label Rate:
0.09 - 0.18 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 43560 - 87120 square feet
at a cost of
$0.74 - $1.49 per 1,000 sqft
Safe On
St. Augustinegrass Safe Rate:
0.09 fluid ounces per 1,000 sqft
Chewings Fescue, Hard Fescue, Perennial Ryegrass, Fine Fescue, Red Fescue Safe Rate:
0.11 fluid ounces per 1,000 sqft
Kentucky Bluegrass, Centipedegrass, Buffalograss, Tall Fescue Safe Rate:
0.11 - 0.18 fluid ounces per 1,000 sqft
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