Keeping the exterior of a house free from spiders requires reliable, outdoor-ready sprays. This guide profiles five top options that target spiders around porches, foundations, and landscaping. Each product covers different needs—from long-lasting barriers to plant-based deterrents—so you can choose what fits your space and safety preferences. A quick summary table below helps you compare at a glance before diving into detailed sections.
| Product | Brand | Why It Stands Out |
|---|---|---|
| Wet & Forget Miss Muffet’s Revenge Outdoor Spider Killer | Wet & Forget | 12-month barrier with one application |
| Ortho Home Defense Insect Killer | Ortho | Outdoor perimeter protection for lawns and landscaping |
| Spectracide Bug Stop Home Barrier | Spectracide | Flip & Go sprayer for easy, precise use |
| TERRO Cobweb Eliminator Spray | Terro | Prevents future web formation |
| Mighty Mint Peppermint Oil Sprays | Mighty Mint | Plant-based, pet-friendly deterrent |
Wet & Forget Miss Muffet’s Revenge Outdoor Spider Killer
Wet & Forget Miss Muffet’s Revenge is a ready-to-use spider killer designed for outdoor use, offering a long-lasting barrier with a single application. The product includes an attached sprayer that can reach up to ten feet, facilitating application around entry points, foundations, and landscape edges. For best results, apply to areas where spiders are found until surfaces are wet but not soaking, and leave the spray undisturbed to maximize durability.
- Kills spiders and creates a barrier for up to 12 months with one application
- Attached sprayer provides a 10-foot reach for hard-to-reach spots
- Suitable for outdoor use around entryways, foundations, and landscaping
- Spray until wet but not soaking; allow to dry undisturbed for lasting protection
Ortho Home Defense Insect Killer For Lawn & Landscape
Ortho Home Defense is designed for outdoor insect control on lawns and landscapes, addressing a broad range of pests—including spiders, ants, mosquitoes, fleas, and ticks. It delivers rapid knockdown with long-lasting protection and is suitable for perimeter treatment and around ornamental plants. Use as directed on the label to avoid staining vegetation or surfaces, and apply to outdoor areas where spiders are active.
- Kills 235 listed bugs including spiders, ants, mosquitoes, fleas, and ticks
- Starts killing in minutes; provides long-lasting control
- Covers up to 5,300 square feet of outdoor area
- Non-staining and odor-free formula
Spectracide Bug Stop Home Barrier Indoor Plus Outdoor Bug Control
Spectracide Bug Stop Home Barrier Indoor Plus Outdoor Bug Control uses a Flip & Go sprayer for quick, precise application without setup. It provides both indoor and outdoor control and kills pests on contact, including ants, roaches, and spiders, offering up to 12 months of protection on non-porous surfaces. It is designed for easy, on-the-spot treatment around homes and landscapes.
- Flip & Go sprayer enables quick, precise application
- Indoor plus outdoor control with a precision wand
- Kills on contact; long-lasting protection on non-porous surfaces
TERRO T2360 Ready-to-Use Spider Cobweb Eliminator and Repellent Spray
TERRO T2360 Cobweb Eliminator is designed to prevent spiderweb formation and keep spiders from returning. It can be used as a pre-season preventative treatment or after removing existing webs. After knocking down webs, spray the target areas to reduce new web growth and deter spiders from re-establishing webs in treated zones.
- Prevents future cobweb formation; keeps spiders at bay
- Versatile: preventative use or post-web treatment
- Easy to use: knock down existing webs, then spray to deter return
Mighty Mint Gallon Peppermint Oil Insect Repellent
Mighty Mint Gallon Peppermint Oil Insect Repellent offers a natural, plant-based approach to deter spiders and other pests outdoors and indoors. Formulated with extra-concentrated peppermint oil (and geraniol in some variants), this spray acts as a deterrent for spiders, ants, and more. It is designed for use on baseboards, entryways, patios, and other areas, and is safe for families and pets when used as directed.
- Plant-based peppermint oil formula; pet-friendly when used as directed
- Extra-concentrated peppermint oil; proven deterrent for spiders
- Effective indoors and outdoors; versatile on multiple surfaces
- No staining; easy to apply
Buying Guide
Choosing a spider spray for outdoor use requires balancing effectiveness, safety, and convenience. The following considerations help compare options across the market and identify the best fit for your home exterior.
Key factors to consider
- Target area and pests: Match the product to typical spiders in your region and nearby pests (ants, roaches, ticks, etc.).
- Formulation and safety: Decide between ready-to-use sprays, concentrates, and plant-based formulas. Consider pet and family safety on and around treated surfaces.
- Outdoor durability and coverage: Look at how long protection lasts after application and the square footage the product covers per treatment.
- Application method: Sprayers included or required, spray ranges, and ease of use influence how often you’ll treat exterior areas.
- Surface compatibility: Assess whether the product is suitable for wood, masonry, concrete, plants, and painted surfaces to avoid staining or damage.
Safety and environmental considerations
- Read labels carefully for safety instructions and environmental precautions.
- Prefer pet- and family-friendly formulations when used around entryways and outdoor living spaces.
- Avoid spraying before rain and allow adequate drying time to reduce runoff and ensure effectiveness.
Application guidance and best practices
- Apply along the home perimeter, entry points, foundation edges, and landscaping borders where spiders gather.
- Follow recommended spray intervals and reapply after significant rainfall or new web formation.
- Test a small area first to gauge any staining or surface reaction, especially on wood and painted surfaces.
What to expect in practice
- Long-term barriers (such as Miss Muffet’s Revenge) can reduce outdoor spider activity for months with a single application.
- Spray-on solutions with built-in sprayers offer quick, targeted control and convenient application.
- Plant-based options provide a safer alternative for homes with kids and pets, though may require more frequent applications.
Quick comparison guidance
- Best long-lasting outdoor protection: Wet & Forget Miss Muffet’s Revenge
- Best overall outdoor perimeter coverage: Ortho Home Defense
- Best ease of use outdoors: Spectracide Bug Stop Home Barrier
- Best cobweb prevention: TERRO Cobweb Eliminator
- Best plant-based option: Mighty Mint Peppermint Oil Sprays