Monterey Whacker Herbicide Concentrate
Best professional grade solution for homeowners managing stubborn broadleaf weeds.
A potent three-way concentrate designed to eliminate over 140 types of broadleaf weeds without harming common lawn grasses. It offers an economical, professional-grade solution for homeowners looking to maintain pristine turf throughout the growing season.
$25.17
at
Walmart
Who it's for
- Homeowners maintaining large lawns with persistent weed infestations
- Budget-conscious gardeners managing expansive properties or multiple sites
- Landscapers seeking permanent removal of invasive perennial weeds
Who should skip it
- Casual users looking for immediate, grab-and-go application
- Impatient gardeners requiring immediate visual confirmation of weed death
- Outdoor workers in unpredictable climates or high-heat regions
Performance breakdown
Weed Spectrum Coverage
Targets over 140 broadleaf varieties, handling almost any common lawn nuisance.
Turf Compatibility
Safe for a wide range of both warm and cool-season grasses.
Application Efficiency
Concentrated formula offers significant coverage per bottle for large residential properties.
Ease of Preparation
Simple dilution process makes mixing for standard spray tanks straightforward.
Treatment Longevity
Effective year-round, though application is strictly limited to twice annually.
Professional Grade Potency
Delivers commercial-strength results in a format accessible for home lawn care.
Key Specs
Herbicide Type
Weed Killer
Form
Liquid
Coverage Area
Up to 10,000 square feet
Compatibility
Warm and cool season turf grasses (Bluegrass, Fescue, Rye, St. Augustine, Bahia, Common Bermuda, Centipede, Zoysia, Bent)
Application Method
Spray tank
Application Frequency
Maximum twice per year
Target Weeds
Over 140 types including dandelions, oxalis, poison oak, spurge, rush, clover, aster, and thistle
Know before you buy
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