11 Best Spider Killer Sprays for Indoors (Safe & Effective Picks)

April 23, 2026

Sazeda Rahman

Spiders inside your home can be unsettling, especially when they appear in corners, basements, or hidden spaces. Choosing the right indoor spider killer spray helps you eliminate pests quickly while keeping your living environment safe for family and pets. From powerful chemical solutions to natural peppermint-based repellents, today’s options offer effective and convenient control. In this guide, we’ve selected 11 of the best spider killer sprays for indoor use, focusing on performance, safety, and ease of application to help you keep your home spider-free with confidence.

1. Ortho Home Defense Insect Killer for Indoor & Perimeter

Ortho Home Defense Insect Killer for Indoor & Perimeter

Ortho Home Defense is one of the most reliable indoor insect sprays designed to kill and prevent spiders and other common household pests. Its long-lasting barrier protection and easy-to-use spray system make it a practical choice for maintaining a bug-free home without frequent reapplication.

Key Features

  • Kills spiders, ants, cockroaches, and more on contact
  • Provides up to 12 months of indoor protection (on non-porous surfaces)
  • Odor-free and fast-drying formula
  • Battery-powered Comfort Wand for continuous spraying
  • Suitable for indoor and perimeter use

Why It’s Best For

This spray is ideal for homeowners who want a low-maintenance, long-term solution. It works particularly well in basements, kitchens, and entry points where spiders commonly appear. If you prefer a set-it-and-forget-it approach, Ortho stands out with its extended protection.

Performance & Durability

Ortho Home Defense delivers strong, consistent performance by creating a protective barrier that continues working long after application. It not only kills spiders instantly but also prevents new ones from entering treated areas. The Comfort Wand ensures even coverage, reducing hand fatigue during use. Its durability is a major advantage, as it minimizes the need for frequent reapplication compared to many natural sprays.

Pros & Cons

Pros

  • Long-lasting protection
  • Easy and convenient application
  • Effective against multiple pests
  • No strong chemical smell

Cons

  • Contains chemicals (not fully natural)
  • Not ideal for users seeking eco-friendly options

Overall Verdict

Ortho Home Defense is a top-tier indoor spider killer for those who prioritize effectiveness and long-lasting results. While it’s not a natural solution, its powerful formula and extended protection make it a dependable choice for keeping your home consistently spider-free.

2. Mighty Mint Spider Repellent Spray (Natural Peppermint Oil)

Mighty Mint Spider Repellent Spray (Natural Peppermint Oil)

Mighty Mint Spider Repellent Spray is a popular plant-based solution designed to repel and eliminate spiders using natural peppermint oil. Unlike harsh chemical sprays, it focuses on safety while still delivering strong results. Its refreshing mint scent and non-toxic formula make it ideal for indoor spaces where families and pets are present.

Key Features

  • Made with 100% plant-based ingredients and peppermint oil
  • Works as both a spider killer and repellent
  • Safe for indoor use around people and pets (when used as directed)
  • Pleasant mint scent instead of harsh chemical odor
  • Ready-to-use spray bottle for easy application

Why It’s Best For

This spray is best for users looking for a natural, chemical-free alternative to traditional insecticides. It’s especially useful in bedrooms, living areas, and kitchens where safety and air quality matter. If you prefer eco-friendly pest control, Mighty Mint is a standout option.

Performance & Durability

Mighty Mint delivers reliable performance by using concentrated peppermint oil, which naturally deters spiders and other insects. It works quickly when sprayed directly and continues to repel spiders from treated areas. However, since it’s plant-based, it may require more frequent reapplication compared to chemical sprays for long-term control.

Pros & Cons

Pros

  • Natural and non-toxic formula
  • Safe for indoor use
  • Fresh, pleasant scent
  • Multi-purpose insect control

Cons

  • Requires more frequent application
  • Less effective for heavy infestations

Overall Verdict

Mighty Mint Spider Repellent Spray is an excellent choice for those who prioritize safety and natural ingredients. While it may not last as long as chemical alternatives, it offers a balanced combination of effectiveness, convenience, and peace of mind for everyday indoor spider control.

3. BugMD Starter Kit – Plant-Powered Insect Killer Concentrate

BugMD Starter Kit – Plant-Powered Insect Killer Concentrate

BugMD Starter Kit is a natural, plant-powered pest control solution designed to eliminate spiders and other household insects without harsh chemicals. This concentrate-based spray allows you to mix your own solution, making it both cost-effective and eco-friendly. With essential oils like clove and cottonseed, it offers a safer indoor alternative while still delivering strong pest control performance.

Key Features

  • Plant-based formula with clove and cottonseed oils
  • Kills spiders, ants, roaches, fleas, and more
  • Concentrate bottle makes up to 32 oz spray
  • Safe for indoor use around family and pets (as directed)
  • Works on multiple surfaces including fabric and wood

Why It’s Best For

This product is best for users who want a natural yet versatile pest control solution. It’s especially ideal for homes with pets or children where chemical exposure is a concern. The DIY mixing feature also makes it great for those looking to save money over time.

Performance & Durability

BugMD performs well by targeting a wide range of pests and killing some insects within seconds, while fully eliminating others within minutes. Its plant-based formula works effectively without leaving harmful residues. However, like most natural sprays, it may require more frequent reapplication compared to chemical alternatives for long-lasting results.

Pros & Cons

Pros

  • Natural, chemical-free ingredients
  • Multi-purpose pest control
  • Cost-effective concentrate formula
  • Safe for indoor environments

Cons

  • Requires mixing before use
  • Not as long-lasting as synthetic sprays

Overall Verdict

BugMD Starter Kit is a strong natural alternative for indoor spider control. It combines safety, versatility, and effectiveness, making it a great choice for eco-conscious users who still want reliable pest protection without relying on harsh chemicals.

4. Peppermint Oil Spider Repellent Spray (Indoor/Outdoor Use)

Peppermint Oil Spider Repellent Spray (IndoorOutdoor Use)

This peppermint-based spider repellent spray offers a natural and refreshing way to keep spiders out of your home. Made with essential oils, it works by targeting spiders’ sensitivity to strong scents, making treated areas unappealing for them. It’s a popular choice for those who want a safer, chemical-free solution for indoor pest control while maintaining a pleasant-smelling environment. 

Key Features

  • Made with natural peppermint essential oil
  • Repels and deters spiders effectively
  • Safe for indoor and outdoor use
  • Fresh, non-toxic scent
  • Ready-to-use spray bottle

Why It’s Best For

This spray is best for users looking for a simple, natural spider deterrent. It’s ideal for bedrooms, kitchens, and living areas where chemical sprays may not be preferred. If you want a solution that smells good while keeping spiders away, this is a strong option.

Performance & Durability

Peppermint oil works by overwhelming spiders’ senses, discouraging them from entering treated areas. While it can effectively repel spiders, it doesn’t always provide long-term protection. Regular application—often weekly—is needed to maintain effectiveness, especially in high-traffic or open areas.

Pros & Cons

Pros

  • Natural and eco-friendly
  • Pleasant scent compared to chemicals
  • Safe for families and pets (as directed)
  • Easy to apply

Cons

  • Requires frequent reapplication
  • Less effective for severe infestations

Overall Verdict

This peppermint spider repellent spray is a great natural alternative for indoor use. While it may not match the long-lasting power of chemical sprays, it offers a safer, fresher, and more eco-conscious way to keep spiders away from your home.

5. GoneNaturally Peppermint Pest Repellent Spray

GoneNaturally Peppermint Pest Repellent Spray

GoneNaturally Peppermint Pest Repellent Spray is a plant-based solution designed to repel spiders and other household pests using natural essential oils. Its formula focuses on creating an unpleasant environment for insects without relying on harsh chemicals. With a clean peppermint scent and safe indoor usability, it’s a practical option for maintaining a fresh and pest-free home environment.

Key Features

  • Made with natural peppermint oil and plant-based ingredients
  • Repels spiders, roaches, ants, and mosquitoes
  • Non-toxic formula safe for indoor use (as directed)
  • Fresh mint fragrance without chemical odor
  • Ready-to-use spray bottle for convenience

Why It’s Best For

This spray is best for those who prefer a gentle, natural pest control method. It works well in living rooms, bedrooms, and kitchens where safety and comfort are priorities. If you want to avoid synthetic chemicals while still keeping pests away, this is a solid choice.

Performance & Durability

GoneNaturally works by disrupting insects’ sensory receptors, making treated areas unattractive for spiders. It performs well as a repellent, especially when applied around entry points like windows and doors. However, since it’s plant-based, it typically requires regular reapplication to maintain effectiveness, particularly in high-traffic areas.

Pros & Cons

Pros

  • Natural and eco-friendly formula
  • Pleasant, refreshing scent
  • Safe for indoor environments
  • Multi-insect repellent

Cons

  • Needs frequent reapplication
  • Not ideal for heavy infestations

Overall Verdict

GoneNaturally Peppermint Pest Repellent Spray is a reliable natural option for everyday indoor spider control. While it may not offer long-lasting results like chemical sprays, it provides a safer and more comfortable alternative for keeping your home pest-free.

6. Mighty Mint Insect Control Spray (Peppermint Formula)

Mighty Mint Insect Control Spray (Peppermint Formula)

Mighty Mint Insect Control Spray is a plant-based pest solution formulated with concentrated peppermint oil to repel and kill spiders effectively. It’s designed for indoor and outdoor use, offering a safer alternative to chemical sprays while still delivering strong performance. With its fresh scent and non-toxic ingredients, it’s a popular choice for households seeking natural pest control.

Key Features

  • Made with natural peppermint essential oil
  • Dual action: kills on contact and repels insects
  • Safe for use around people and pets (as directed)
  • Ready-to-use spray with wide coverage
  • Works on spiders, ants, roaches, and flying insects

Why It’s Best For

This spray is best for those who want a balance between effectiveness and safety. It’s ideal for indoor areas like bedrooms, kitchens, and living spaces where harsh chemicals may not be desirable. It also suits eco-conscious users who prefer plant-based pest control.

Performance & Durability

Mighty Mint performs well due to its high-strength peppermint oil formula, which naturally deters insects and disrupts their behavior. It works instantly when sprayed directly and continues repelling pests from treated areas. However, its protection typically lasts a shorter time—often around a couple of weeks—so reapplication is needed for consistent results.

Pros & Cons

Pros

  • Natural and non-toxic ingredients
  • Pleasant peppermint scent
  • Safe for indoor use
  • Multi-insect control

Cons

  • Requires frequent reapplication
  • Less powerful than chemical sprays for heavy infestations

Overall Verdict

Mighty Mint Insect Control Spray is a reliable natural spider control option that combines safety with solid performance. While it may not offer long-lasting protection like chemical sprays, it provides an eco-friendly and effective solution for everyday indoor pest management.

7. Nisus Web Out Cobweb Eliminator Spray

Nisus Web Out Cobweb Eliminator Spray

Nisus Web Out Cobweb Eliminator is a specialized spray designed to remove spider webs and prevent them from returning. Unlike traditional insecticides, it focuses on eliminating webs and creating surfaces that spiders avoid. This makes it a great choice for indoor areas like ceilings, corners, and garages where cobweb buildup is a common problem.

Key Features

  • Removes existing cobwebs quickly and effectively
  • Prevents spiders from rebuilding webs on treated surfaces
  • Non-staining formula safe for walls and ceilings
  • Long-lasting residual effect
  • Suitable for indoor and outdoor use

Why It’s Best For

This spray is best for users who want to target spider webs directly rather than just killing spiders. It’s ideal for garages, basements, ceilings, and storage areas where cobwebs tend to reappear frequently. If web control is your main concern, this product stands out.

Performance & Durability

Nisus Web Out performs differently from typical sprays by leaving behind a surface treatment that discourages spiders from rebuilding webs. It works instantly to dissolve webs and continues to prevent new ones for an extended period. This makes it highly durable compared to many standard repellents that only offer short-term results.

Pros & Cons

Pros

  • Excellent at removing and preventing cobwebs
  • Long-lasting surface protection
  • Easy to apply on hard-to-reach areas
  • Works both indoors and outdoors

Cons

  • Does not directly kill spiders
  • Focused mainly on web control rather than full pest elimination

Overall Verdict

Nisus Web Out Cobweb Eliminator is a unique and highly effective solution for managing spider webs indoors. While it’s not a traditional spider killer, it excels at keeping spaces clean and web-free, making it a valuable addition to any spider control routine.

8. Peppermint Spider & Insect Repellent Spray (Multi-Pest)

Peppermint Spider & Insect Repellent Spray (Multi-Pest)

This peppermint-based spider repellent spray is designed to keep spiders and other household pests away using natural essential oils. It works by producing a strong scent that spiders find overwhelming, making treated areas uncomfortable for them to stay. With its non-toxic formula and fresh fragrance, it’s a convenient option for indoor use across different living spaces.

Key Features

  • Made with natural peppermint essential oil
  • Repels spiders, cockroaches, mosquitoes, and more
  • Non-toxic and safe for indoor use (as directed)
  • Pleasant mint scent without harsh chemicals
  • Easy-to-use spray bottle

Why It’s Best For

This spray is best for users who want a multi-purpose natural repellent. It’s especially useful in areas like bedrooms, kitchens, and entry points where multiple pests may appear. If you’re looking for one product to handle different insects safely, this is a strong option.

Performance & Durability

Peppermint sprays work by targeting spiders’ sensitivity to strong smells, effectively keeping them away from treated areas. They can repel spiders quickly, but their effectiveness depends on consistent application. Since natural oils evaporate over time, you may need to reapply every few days or weekly for continuous protection.

Pros & Cons

Pros

  • Natural and eco-friendly formula
  • Works on multiple pests
  • Safe for indoor environments
  • Fresh, pleasant scent

Cons

  • Needs frequent reapplication
  • Less effective for severe infestations

Overall Verdict

This peppermint spider and insect repellent spray is a great all-in-one natural solution for indoor pest control. While it doesn’t provide long-lasting protection like chemical sprays, it offers a safer and more comfortable way to keep spiders and other insects out of your home.

9. Puremint Natural Peppermint Oil Insect Control Spray

Puremint Natural Peppermint Oil Insect Control Spray

Puremint Insect & Pest Control Spray is a natural, plant-based solution that uses a powerful 5% peppermint oil formula to repel and eliminate spiders and other indoor pests. Designed for both indoor and outdoor use, it offers a safe and eco-friendly alternative to chemical sprays while still delivering effective pest control performance for everyday household needs.

Key Features

  • Contains 5% natural peppermint oil for strong pest control
  • Repels and controls spiders, ants, roaches, and more
  • Safe for people, pets, and plants when used as directed
  • Large 128 oz bottle for extended use
  • Non-clogging formula ensures smooth spraying 

Why It’s Best For

This spray is best for those who want a long-lasting natural solution with large coverage. It’s especially useful for bigger homes or frequent pest issues, thanks to its gallon-size bottle and multi-purpose use across indoor and outdoor areas.

Performance & Durability

Puremint performs effectively by using concentrated peppermint oil, which naturally repels spiders and disrupts their activity.It provides consistent protection across treated surfaces and works well for both prevention and control. However, like most natural sprays, its effectiveness depends on regular application to maintain strong results over time.

Pros & Cons

Pros

  • Strong natural peppermint formula
  • Large volume for long-term use
  • Safe and eco-friendly
  • Multi-surface and multi-pest application

Cons

  • Requires frequent reapplication
  • Strong scent may be overpowering for some users

Overall Verdict

Puremint Insect Control Spray is a powerful natural option for indoor spider control, especially for those who want a safer alternative without sacrificing coverage. Its large size and plant-based formula make it a practical choice for maintaining a pest-free home naturally.

10. Puremint Natural Peppermint Oil Insect Control Spray

Puremint Natural Peppermint Oil Insect Control Spray

Puremint Insect & Pest Control Spray is a powerful plant-based solution formulated with 5% peppermint oil to repel and control spiders indoors. It’s designed for users who want a natural yet effective alternative to chemical sprays. With its large capacity and versatile use, it works across different areas of the home while maintaining a safer environment for people and pets.

Key Features

  • Contains strong 5% peppermint oil formula
  • Repels spiders, ants, roaches, and other pests
  • Safe for people, pets, and plants when used as directed
  • Large 128 oz bottle for extended coverage
  • Non-clogging formula for smooth spraying

Why It’s Best For

This spray is best for those who want a natural solution with long-term usability. The large gallon size makes it ideal for bigger homes or frequent pest control needs, while the plant-based ingredients suit eco-conscious users.

Performance & Durability

Puremint works by using concentrated peppermint oil, which disrupts insects’ ability to navigate and settle in treated areas. It performs well as both a repellent and light control solution. However, like most natural sprays, it requires consistent reapplication to maintain strong protection over time.

Pros & Cons

Pros

  • Strong natural formula
  • Large volume for extended use
  • Safe and eco-friendly
  • Multi-pest effectiveness

Cons

  • Requires regular reapplication
  • Strong scent may not suit everyone

Overall Verdict

Puremint Insect Control Spray is a solid natural option for indoor spider control, especially for users who want safety and large coverage. While it may not match chemical sprays in longevity, it provides a reliable, eco-friendly way to keep spiders and pests away.

11. Grandpa Gus’s Pest Killer Concentrate with Spray Bottle

Grandpa Gus’s Pest Killer Concentrate with Spray Bottle

Grandpa Gus’s Pest Killer Concentrate is a natural pest control solution that uses peppermint oil and plant-based ingredients to repel spiders and other indoor pests. Designed as a concentrate, it allows users to mix their own spray, making it both cost-effective and long-lasting. Its eco-friendly formula makes it a suitable choice for homes looking to avoid harsh chemicals.

Key Features

  • Concentrated formula for multiple spray refills
  • Made with natural peppermint oil
  • Repels spiders, rodents, and insects
  • Safe for indoor use around family and pets (as directed)
  • Includes spray bottle for easy application

Why It’s Best For

This product is best for users who want a budget-friendly, long-term natural solution. The concentrate format makes it ideal for larger homes or repeated use, especially in areas like basements, garages, and entry points where spiders frequently appear.

Performance & Durability

Grandpa Gus’s spray works by using peppermint oil to disrupt pests’ senses, making treated areas uninviting. Similar peppermint-based products rely on scent-based deterrence rather than chemical toxicity, which makes them safer but may require consistent application. Concentrate formulas allow repeated use, improving overall durability and value over time.

Pros & Cons

Pros

  • Natural and eco-friendly formula
  • Concentrate offers long-term value
  • Safe for indoor environments
  • Multi-pest repellent

Cons

  • Requires mixing before use
  • Needs regular reapplication for best results

Overall Verdict

Grandpa Gus’s Pest Killer Concentrate is a smart choice for eco-conscious users who want an affordable and reusable indoor spider control solution. While it may not deliver instant, long-lasting results like chemical sprays, it provides a safe and practical way to keep pests away naturally.

FAQs

Are indoor spider killer sprays safe to use around pets and children?

Most indoor sprays are safe when used as directed, but it depends on the formula. Natural, plant-based sprays are generally safer, while chemical sprays may require keeping pets and children away until dry. Always read the label instructions carefully to ensure safe usage in your home environment.

How often should I apply spider repellent spray indoors?

Application frequency varies by product. Chemical sprays may last several months, while natural sprays often need reapplication every few days or weeks. For best results, apply regularly in high-traffic areas and around entry points where spiders are most likely to appear.

Do peppermint sprays really work against spiders?

Yes, peppermint sprays can effectively repel spiders because they dislike strong scents. However, they usually work better as a deterrent rather than a long-term killer. Consistent application is necessary to maintain effectiveness, especially in areas where spiders frequently return.

Can these sprays kill spiders instantly?

Some chemical-based sprays can kill spiders on contact, while natural sprays may take longer or mainly repel them. If immediate results are important, choose a product labeled for instant kill. Otherwise, natural sprays are better suited for prevention and ongoing control.

Where should I spray for best results?

Focus on areas where spiders hide or enter your home, such as corners, cracks, windows, doors, basements, and ceilings. Regularly treating these spots creates a protective barrier, helping to prevent spiders from settling and building webs indoors.

About the author

I am Sazeda Rahman, the creator of SpiderAdv.com. On my website, I share informative content about spiders, focusing on their identification, behavior, habitats, and role in nature to help readers understand them better.