Fast-acting, high-performance and non-selective contact herbicide that starts to work in just a few hours. FireHawk Bioherbicide acts fast and is fully biodegradable, leaving no herbicidal activity in the soil after application.
The latest technology for fast and effective weed control for your home and garden, FireHawk Bioherbicide uses nonanoic acid, a fatty acid biologically derived from a synthetic process. It's also readily biodegradable, meaning it doesn't leave herbicidal activity in the soil after application.

- High performance, non-selective weed control
- Kills vegetation on contact by stripping away the waxy outer layers, desiccating the plant through dehydration
- Rapid 1-3 hour action – you’ll see it working in 15-20 minutes
- Readily biodegradable
- Ideal for regenerative farming practices
- No withholding period
- Suppresses future weed growth; may need a second or third application 2-3 weeks later depending on species and climate
- Effective on invasive and glyphosate resistant weeds
- Thorough coverage of the plant is necessary; solution works when in contact with stems and leaves of plant being sprayed
- Made from nonanoic acid, a fatty acid biologically derived from a synthetic process.
- Makes about 84 gallons; treats 36,000+ sq ft
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