Home > Weed Killers > Southern Ag Atrazine St. Augustine Herbicide
Southern Ag Atrazine St. Augustine Herbicide
St. Augustine Weed Killer
- Kills many broadleaf weeds
- Also used in centipede grass
- Provides suppression of crabgrass
- Controls emerged weeds and weeds from seed
| Active Ingredient | % |
|---|
| Atrazine | 4.00 % |
| Other Ingredients | 96.00 % |
Mode of Action
Photosynthesis Inhibitors
Site of Action
(5) Photosystem II Inhibitor
Safe On
Not Safe On
No not safe on treatments listed. Please, review the label or contact the merchant for more information.
Maximum Yearly Limits
Maximum rate per application on Turfgrass (including lawns) is 8.6 fluid ounces (1lb ai/A) per 1,000 sqft. Maximum of two applications per year is permitted.
Effective Temperature Range
Do not apply when temperatures exceed 90°F.
Before Seeding Instructions
Do not overseed turf within 6 months after treatment.
CertainLabel™
Southern Ag Atrazine St. Augustine Optimized Application Label Rate Calculator
Legend:
Control
Suppression
No Control
Spot Treatment:
per
Blanket Treatment:
per
1
| Grass / Turf Types | Safe |
|---|---|
| Centipedegrass |
|
| St. Augustinegrass |
|
1
Jump to
CertainLabel™ Southern Ag Atrazine St. Augustine Label Rates & Calculator
for
these 2 turf types
Spot Treatment
per
Label Rate:
8.6 fluid ounces per gallon
Cost Effectiveness:
Makes 14.884 gallons
at a cost of
$2.35 per gallon
at a cost of
$2.35 per gallon
Blanket Treatment
per
Label Rate:
8.6 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 14884 square feet
at a cost of
$2.35 per 1,000 sqft
at a cost of
$2.35 per 1,000 sqft
1
| Weeds | Pre- Emergent |
Post-Emergent |
|---|---|---|
| Bluegrass, Annual |
|
|
| Chickweed, Common |
|
|
| Chickweed, Mouseear |
|
|
| Crabgrass |
|
|
| Crane Flies |
|
|
| Cudweed |
|
|
| Henbit |
|
|
| Knotweed |
|
|
| Lespedeza |
|
|
| Mustard |
|
|
| Oxalis |
|
|
| Parsley Piert |
|
|
| Sandbur |
|
|
| Smutgrass |
|
|
| Sorrel |
|
|
| Spurge |
|
|
| Swinecress |
|
|
| Vetch, Narrowleaf |
|
|
1
Jump to
CertainLabel™ Southern Ag Atrazine St. Augustine Label Rates & Calculator
for
these 18 weeds
Spot Treatment
per
Label Rate:
8.6 fluid ounces per gallon
Cost Effectiveness:
Makes 14.884 gallons
at a cost of
$2.35 per gallon
at a cost of
$2.35 per gallon
Blanket Treatment
per
Label Rate:
8.6 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 14884 square feet
at a cost of
$2.35 per 1,000 sqft
at a cost of
$2.35 per 1,000 sqft
2
| Weeds | Pre- Emergent |
Post-Emergent |
|---|---|---|
| Dichondra |
|
|
| Moneywort |
|
|
2
Jump to
CertainLabel™ Southern Ag Atrazine St. Augustine Label Rates & Calculator
for
these 2 weeds
Spot Treatment
per
Label Rate:
8.6 fluid ounces per gallon
Cost Effectiveness:
Makes 14.884 gallons
at a cost of
$2.35 per gallon
at a cost of
$2.35 per gallon
Blanket Treatment
per
Label Rate:
8.6 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 14884 square feet
at a cost of
$2.35 per 1,000 sqft
at a cost of
$2.35 per 1,000 sqft
Instructions:
Apply this product in early April followed by a second application in July.
3
| Weeds | Pre- Emergent |
Post-Emergent |
|---|---|---|
| Florida Betony |
|
|
3
Jump to
CertainLabel™ Southern Ag Atrazine St. Augustine Label Rates & Calculator
for
Florida Betony
Spot Treatment
per
Label Rate:
8.6 fluid ounces per gallon
Cost Effectiveness:
Makes 14.884 gallons
at a cost of
$2.35 per gallon
at a cost of
$2.35 per gallon
Blanket Treatment
per
Label Rate:
8.6 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 14884 square feet
at a cost of
$2.35 per 1,000 sqft
at a cost of
$2.35 per 1,000 sqft
Instructions:
This weed emerges in the fall. Apply this product in mid to late October followed by a second application in mid to late February.
4
| Weeds | Pre- Emergent |
Post-Emergent |
|---|---|---|
| Spurweed |
|
|
4
Jump to
CertainLabel™ Southern Ag Atrazine St. Augustine Label Rates & Calculator
for
Spurweed
Spot Treatment
per
Label Rate:
8.6 fluid ounces per gallon
Cost Effectiveness:
Makes 14.884 gallons
at a cost of
$2.35 per gallon
at a cost of
$2.35 per gallon
Blanket Treatment
per
Label Rate:
8.6 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 14884 square feet
at a cost of
$2.35 per 1,000 sqft
at a cost of
$2.35 per 1,000 sqft
Instructions:
Control of Spurweed can be best obtained when applying when Spurweed has newly emerged (December and January).