Grasshoppers can quickly disrupt a well-kept lawn, especially in warm months when they swarm and feed on foliage. The right lawn insect killer helps target grasshoppers and other common lawn pests while minimizing impact on beneficial insects and the surrounding landscape. This guide highlights five effective lawn insect killers, with practical details on application, coverage, and long-term protection, so you can choose a product that fits your yard’s needs.
| Product | Brand | Coverage | Form | Notes |
|---|---|---|---|---|
| Ortho BugClear Insect Killer for Lawns & Landscapes Ready-to-Spray | Ortho | Lawns & landscapes | Ready-to-Spray | Kills 235 listed bugs including grasshoppers |
| Scotts GrubEx1 Season Long Grub Killer | Scotts | Up to 4 months, 5,000 sq ft | Granular | Prevents grubs; supports root health |
| BioAdvanced Complete Brand Insect Killer for Soil and Turf | BioAdvanced | Soil, turf lawns | Granules | Kills over 30 pests; long-lasting |
| Ortho BugClear Lawn Insect Killer1 | Ortho | Up to 16,500 sq ft | Granules | Contact kill with 6 months of ant control |
| Spectracide Concentrate Triazicide Lawn & Landscapes Insect Killer | Spectracide | Lawns, vegetables, trees | Concentrate | Kills 260+ insects on contact |
Choosing the right insect killer involves considering the range of pests, application method, coverage area, and how long protection lasts. The products listed here are designed for lawns with varying needs—from immediate knockdown to season-long prevention. Read on to compare top options and find the best fit for your landscape.
Ortho BugClear Insect Killer for Lawns and Landscapes
Ortho’s ready-to-spray formula is designed for rapid knockdown of a broad pest spectrum, including grasshoppers, ants, ticks, fleas, and more. The product states it kills 235 listed bugs and starts working within minutes, making it a strong option for immediate lawn protection. It is suitable for use on lawns, around home perimeters, and on ornamentals, trees, shrubs, and even listed vegetables and fruit trees. For households with pets and children, follow label directions and re-entry intervals if specified.
Scotts GrubEx1 Season Long Grub Killer
Scotts GrubEx1 focuses on grubs to protect turf from the inside out. A single application is designed to prevent grub damage for up to four months and covers up to 5,000 square feet. By reducing grub populations early, it helps defend roots from feeding larvae, which can indirectly reduce grasshopper feeding later in the season. While primarily a grub preventative, it also helps control other listed pests when applied annually as part of a broader lawn care routine.
BioAdvanced Complete Brand Insect Killer for Soil and Turf
This granule-based product targets a broad range of outdoor pests, including ants, ticks, chinch bugs, and more. It provides long-lasting protection for up to three months and is versatile for use on soil, turf lawns, and around the home. The broad-spectrum approach makes it a strong option for lawn care professionals and homeowners seeking extended control rather than rapid, short-term knockdown.
Ortho BugClear Lawn Insect Killer1
Ortho BugClear Lawn Insect Killer1 emphasizes contact kill performance for a variety of pests, including ants, spiders, ticks, fleas, grubs, beetles, and armyworms. It provides up to six months of protection against ants, excluding certain species. This product is suitable for protecting the lawn, ornamental plants, home perimeter, flower beds, and listed vegetable plants, offering a robust, long-lasting shield against invasion.
Spectracide Concentrate Triazicide Lawn & Landscapes Insect Killer
Spectracide Triazicide Concentrate is a ready-to-use concentrate designed for lawn and landscape applications. It targets more than 260 insects by contact and covers many common lawn pests, including grubs, ants, fleas, and ticks. The product is non-staining for most home sidings when applied according to the label, making it a practical choice for homeowners who want a versatile option that can be mixed with water for targeted control across multiple zones of a property.
Spectracide Triazicide Insect Killer For Lawns & Landscapes (Ready-To-Spray)
This ready-to-spray option from Spectracide targets 260+ insects on contact, protecting lawns, vegetables, fruit and nut trees, roses, flowers, and shrubs. It’s designed for quick action and broad coverage, offering a straightforward spray method for homeowners who want a simple, efficient solution to a range of lawn pests. Non-staining properties help preserve home siding during application when used properly.
Buying Guide: Key Purchase Considerations
When selecting a grasshopper killer for lawns, consider pest scope, application method, and environmental impact. Below are several factors to help you compare options and choose the best product for your yard.
- Pest specificity and spectrum
- Coverage area and spread
- Longevity vs. frequency
- Application method and safety
- Impact on beneficial insects
- Environmental considerations
- Re-entry and safety
- Cost and value
If grasshoppers are your primary concern, choose a product labeled for rapid knockdown of large insects and that also covers a broad range of lawn pests. Some formulas emphasize rapid contact kill, while others focus on long-term prevention by targeting grubs and soil-dwelling pests.
Measure your lawn to ensure the product’s coverage aligns with your space. Granules often require uniform spreading, while ready-to-spray formats provide quick application but may require more frequent reapplication in hot climates.
Season-long protection reduces the need for frequent treatments, but you may need multiple products to address different pest lifecycles. Some products offer months of protection against specific pests like ants, while others provide rapid but shorter-term control.
Read label directions for recommended weather conditions, watering requirements, and re-entry times. Consider granule vs. liquid formats based on your comfort with spreaders and sprayers, and ensure compatibility with irrigation plans.
Broad-spectrum insecticides can affect pollinators and natural predators. Look for labeled caution regarding pollinators and apply during times when they are least active, typically avoiding early morning and late evening sprays, and following any pre-harvest or grazing restrictions if applicable.
Choose products with lower environmental persistence when possible, especially in areas with kids and pets. Some products offer targeted action with reduced runoff potential, while others are designed for broader outdoor use with extended residuals.
Check any required re-entry intervals for households with children and pets. Proper storage and disposal of containers can prevent accidental exposure and environmental impact.
Compare cost per square foot or per treated area. While some concentrated formulas may seem pricier, their coverage can yield better long-term value than frequent lighter applications.
In practice, a practical approach is to combine a fast-acting spray for immediate grasshopper suppression with a longer-lasting granular treatment that tackles soil-dwelling pests, creating a layered defense for your lawn. Always follow the product label for best results and safety.