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Gordons Trimec Classic Herbicide
Proven post-emergent broadleaf herbicide
An industry favorite, Trimec® Classic Broadleaf Herbicide. Delivers dependable control of more than 90 broadleaf weeds, including clover, dandelion, plantain, and chickweed. The synergistic action of its formulation helps keep the cost-per-acre low, and Trimec Classic won’t harm most turfgrass species when used as directed.
Mode of Action
Lipid Synthesis Inhibitors, Growth Regulators
Site of Action
(1) ACCase Inhibitor, (4) Specific site unknown
Available on Amazon
Available on Do My Own
Safe On
Click on a grass type below to see safe application rates:
Annual Ryegrass, Bahiagrass, Fine Fescue, Kentucky Bluegrass, Perennial Ryegrass, Red Fescue, Tall Fescue, Zoysiagrass, Centipedegrass, St. Augustinegrass, Bentgrass, and Bermudagrass
Not Safe On
No not safe on treatments listed. Please, review the label or contact the merchant for more information.
Maximum Yearly Limits
For ornamental turfgrass, the maximum application rate is 4.0 pints of product per acre per application (0.99 lb. 2,4-D ae, 0.27 lb. MCPP-p ae, and 0.11 lb. dicamba ae per acre per application). For sod farms, the maximum seasonal rate is 8.0 pints of product per acre (1.98 lbs. 2,4-D ae, 0.53 lb. MCPP-p ae, and 0.21 lb. dicamba ae per acre).
Time Between Applications
For ornamental turfgrass, the maximum number of broadcast applications is limited to 2 per year with a minimum of 30 days between applications. For sod farms, the maximum number of broadcast applications is limited to 2 per year with a minimum of 21 days between applications.
Water Instructions
Do not irrigate within 24 hours after application.
Before Seeding Instructions
Grass seed can be sown 3 to 4 weeks after application at recommended rates.
After Seeding Instructions
Do not apply to newly seeded turf until after the second or third mowing.
CertainLabel™
Gordons Trimec Classic Optimized Application Label Rate Calculator
Legend:
Control
Suppression
No Control
Spot Treatment:
per
Blanket Treatment:
per
1
| Grass / Turf Types | Safe |
|---|---|
| Annual Ryegrass |
|
| Bahiagrass |
|
| Fine Fescue |
|
| Kentucky Bluegrass |
|
| Perennial Ryegrass |
|
| Red Fescue |
|
| Tall Fescue |
|
| Zoysiagrass |
|
1
Jump to
CertainLabel™ Gordons Trimec Classic Label Rates & Calculator
for
these 8 turf types
Spot Treatment
per
Label Rate:
1.2 - 1.5 fluid ounces per gallon
Cost Effectiveness:
Makes 85.333 - 106.667 gallons
at a cost of
$0.54 - $0.68 per gallon
at a cost of
$0.54 - $0.68 per gallon
Blanket Treatment
per
Label Rate:
1.2 - 1.5 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 85333 - 106667 square feet
at a cost of
$0.54 - $0.68 per 1,000 sqft
at a cost of
$0.54 - $0.68 per 1,000 sqft
2
| Grass / Turf Types | Safe |
|---|---|
| Centipedegrass |
|
| St. Augustinegrass |
|
2
Jump to
CertainLabel™ Gordons Trimec Classic Label Rates & Calculator
for
these 2 turf types
Spot Treatment
per
Label Rate:
1 fluid ounces per gallon
Cost Effectiveness:
Makes 128 gallons
at a cost of
$0.45 per gallon
at a cost of
$0.45 per gallon
Blanket Treatment
per
Label Rate:
1 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 128000 square feet
at a cost of
$0.45 per 1,000 sqft
at a cost of
$0.45 per 1,000 sqft
3
| Grass / Turf Types | Safe |
|---|---|
| Bentgrass |
|
3
Jump to
CertainLabel™ Gordons Trimec Classic Label Rates & Calculator
for
Bentgrass
Spot Treatment
per
Label Rate:
1 fluid ounces per gallon
Cost Effectiveness:
Makes 128 gallons
at a cost of
$0.45 per gallon
at a cost of
$0.45 per gallon
Instructions:
On closely mowed bentgrass (putting greens, bowling greens, and show lawns), apply a maximum rate of 1.0 fluid ounce of product per 1,500 square feet with spray volumes of 5.0 gallons per 1,500 square feet. Do not apply when grass is under stress from drought or hot temperatures. Use application equipment that is capable of distributing uniform droplets over the entire area to be sprayed. Slight yellowing of turf will disappear after about one week. Care should be taken to avoid overdosing bentgrasses or injury may result.
Blanket Treatment
per
Label Rate:
1 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 128000 square feet
at a cost of
$0.45 per 1,000 sqft
at a cost of
$0.45 per 1,000 sqft
Instructions:
On closely mowed bentgrass (putting greens, bowling greens, and show lawns), apply a maximum rate of 1.0 fluid ounce of product per 1,500 square feet with spray volumes of 5.0 gallons per 1,500 square feet. Do not apply when grass is under stress from drought or hot temperatures. Use application equipment that is capable of distributing uniform droplets over the entire area to be sprayed. Slight yellowing of turf will disappear after about one week. Care should be taken to avoid overdosing bentgrasses or injury may result.
4
| Grass / Turf Types | Safe |
|---|---|
| Bermudagrass |
|
4
Jump to
CertainLabel™ Gordons Trimec Classic Label Rates & Calculator
for
Bermudagrass
Spot Treatment
per
Label Rate:
0.75 - 1.5 fluid ounces per gallon
Cost Effectiveness:
Makes 85.333 - 170.667 gallons
at a cost of
$0.34 - $0.68 per gallon
at a cost of
$0.34 - $0.68 per gallon
Instructions:
Certain hybrid bermudagrasses vary in tolerance to this product.
Blanket Treatment
per
Label Rate:
0.75 - 1.5 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 85333 - 170667 square feet
at a cost of
$0.34 - $0.68 per 1,000 sqft
at a cost of
$0.34 - $0.68 per 1,000 sqft
Instructions:
Certain hybrid bermudagrasses vary in tolerance to this product.
1
1
Jump to
CertainLabel™ Gordons Trimec Classic Label Rates & Calculator
for
these 114 weeds
Spot Treatment
per
Label Rate:
1.2 - 1.5 fluid ounces per gallon
Cost Effectiveness:
Makes 85.333 - 106.667 gallons
at a cost of
$0.54 - $0.68 per gallon
at a cost of
$0.54 - $0.68 per gallon
Blanket Treatment
per
Label Rate:
1.2 - 1.5 fluid ounces per 1,000 sqft
Cost Effectiveness:
Covers 85333 - 106667 square feet
at a cost of
$0.54 - $0.68 per 1,000 sqft
at a cost of
$0.54 - $0.68 per 1,000 sqft
