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Ships within 48 hours · Estimated delivery Jun 30 - Jul 5
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Description
group 1 herbicide Quintessential Herbicide – GCI Turf AcademyQuintessential Herbicide Professional Crabgrass & Weed Control The use of a methylated seed oil is recommended to greatly enhance the effectiveness of the product. Quintessential is a pro grade post emergent herbicide powered by quinclorac, designed to eliminate crabgrass, grassy weeds, and broadleaf weeds without damaging your turf when applied correctly. Its trusted by professionals and perfect for serious DIY homeowners who want commercial level
🌱 Quintessential™ Herbicide – Professional Crabgrass & Weed Control
The use of a methylated seed oil is recommended to greatly enhance the effectiveness of the product.
Quintessential™ is a pro-grade post-emergent herbicide powered by quinclorac, designed to eliminate crabgrass, grassy weeds, and broadleaf weeds without damaging your turf when applied correctly. It’s trusted by professionals and perfect for serious DIY homeowners who want commercial-level results.
This product delivers strong control on both warm-season and cool-season grasses while remaining safe for established lawns when used as directed.
✔ Controls
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Crabgrass (large & smooth)
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Barnyardgrass, foxtail, kikuyugrass, signalgrass
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Clover, dandelion, dollarweed, violets, bindweed, and more
Application rates and weed control guidelines are based on the official label.
🌿 Approved Turf Types
Quintessential™ is labeled for use on established:
Highly / Moderately Resistant Turf
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Bermudagrass (Common & Hybrid)
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Kentucky Bluegrass
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Tall Fescue
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Perennial Ryegrass
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Zoysiagrass
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Buffalograss
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Seashore Paspalum
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Bentgrass (with restrictions)
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Fine Fescue (in blends only)
Always follow turf restrictions listed on the label.
📊 Application Rates by Turf Type
| Turf Type / Use | Rate per 1,000 sq ft | Timing / Notes |
|---|---|---|
| General Broadcast | 1.10 – 1.45 fl oz | Apply to actively growing weeds |
| Spot Treatment | 1.10 – 1.45 fl oz | Spray evenly over weeds |
| Creeping Bentgrass | 0.5 – 1.0 fl oz (split apps) | 2–3 apps, 14–21 days apart |
Maximum Annual Rate:
Do not exceed 2.9 fl oz per 1,000 sq ft per year.
🧪 Mixing Instructions (Per 1,000 sq ft)
For best results, use methylated seed oil (MSO).
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Fill sprayer ¾ full with clean water
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Add measured Quintessential™
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Add MSO at 0.55 fl oz per 1,000 sq ft
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Finish filling tank and agitate well
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Maintain agitation while spraying
Backpack Sprayer (Spot Spraying)
| Tank Size | Quintessential™ | MSO |
|---|---|---|
| 1 Gallon | 3 Tbsp | 1.5 Tbsp |
| 2 Gallons | 6 Tbsp | 3 Tbsp |
| 3 Gallons | 9 Tbsp | 4.5 Tbsp |
⏱ Best Application Timing
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Apply to actively growing weeds
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Do not mow 2 days before or after
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Do not water for 24 hours after spraying
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Ideal when temps are moderate and turf is not stressed
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Repeat applications may be needed for heavy infestations
🛡 Safety & Use Guidelines
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Wear gloves, long sleeves, and eye protection
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Keep people and pets off until dry
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Do not spray in wind over 10 mph
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Avoid flower beds, vegetables, and ornamentals
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Do not apply to drought-stressed turf
Safety guidance is based on label instructions.
⭐ Why Choose Quintessential™?
✅ Professional quinclorac formula
✅ Excellent crabgrass control
✅ Safe on major turf types
✅ Works on grassy + broadleaf weeds
✅ Proven results for DIY and pros
If you want real lawn-care results, this is the product professionals rely on.
Not for sale in AK, AZ, HI, WY
WE DO NOT ALLOW RETURNS ON LIQUID PRODUCTS. NO EXCEPTIONS.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy