When you shop through links on our site, we may earn an affiliate commission. This educational content is not intended to be a substitute for professional advice.

Best Insecticide For Spiders Outdoors (2025 Update)

If you're looking for a solution to get rid of pesky spiders around your home, you might want to consider purchasing an effective insecticide. However, before buying one, there are a few factors to consider that can help you make an informed decision. First and foremost, it's important to choose an insecticide that is safe to use around your plants and pets. Additionally, you should check the potency of the product and how long it will last after application. Finally, consider the area you want to cover and the type of spider you're dealing with as different insecticides are designed to target different species.

Have you been struggling to keep spiders away from your outdoor space? Are you tired of constantly swatting away these pesky pests? Look no further than an effective insecticide to solve your problem. But with so many options on the market, how do you know which is the best choice for you? Consider the safety of the product, the potency, and the area you want to target to make an informed decision.

Are you hesitant about using an insecticide around your home or worried about its effects on the environment? Or, maybe you're concerned about the effectiveness of the product on your spider problem. Don't fret, with the right insecticide, you can safely and effectively rid your outdoor space of unwanted spiders. Keep reading to learn more about what to look for in the best insecticide for spiders outdoors.

10 Best Insecticide For Spiders Outdoors

# Product Image Product Name Product Notes Check Price
1
This product is ideal for getting rid of indoor and outdoor spiders with its attached sprayer and ready-to-use formula.
2
Ideal for killing spiders and scorpions with an aerosol insecticide spray.
3
It is ideal for killing all listed lawn-damaging insects and comes in a pack of 4 ten-pound bags.
4
Ideal for organic gardening, this multi-purpose fungicide, insecticide, and miticide controls pests and diseases on plants.
5
It is ideal for controlling a wide range of insect pests in and around structures, both residential and commercial.
6
Ideal for organic and eco-friendly pest control against spider mites with a non-toxic and biodegradable concentrate.
7
The product is ideal for controlling insects in residential and commercial areas, including lawns, gardens, and agricultural settings.
8
The product is ideal for controlling spider and scorpion infestations in homes, commercial properties, and outdoor spaces.
9
It is ideal for controlling and preventing insect infestations on lawns, gardens, commercial buildings, and residential properties.
10
It is ideal for getting rid of spider and scorpion infestations quickly.
This product is ideal for getting rid of indoor and outdoor spiders with its attached sprayer and ready-to-use formula.
Ideal for killing spiders and scorpions with an aerosol insecticide spray.
It is ideal for killing all listed lawn-damaging insects and comes in a pack of 4 ten-pound bags.
Ideal for organic gardening, this multi-purpose fungicide, insecticide, and miticide controls pests and diseases on plants.
It is ideal for controlling a wide range of insect pests in and around structures, both residential and commercial.
Ideal for organic and eco-friendly pest control against spider mites with a non-toxic and biodegradable concentrate.
The product is ideal for controlling insects in residential and commercial areas, including lawns, gardens, and agricultural settings.
The product is ideal for controlling spider and scorpion infestations in homes, commercial properties, and outdoor spaces.
It is ideal for controlling and preventing insect infestations on lawns, gardens, commercial buildings, and residential properties.
It is ideal for getting rid of spider and scorpion infestations quickly.

1. Spider Killer Spray By Wet & Forget.

Looking for a solution to keep spiders away from your home? Look no further than Miss Muffet's Revenge. This spider killer not only kills spiders on contact, but it creates a barrier that lasts for up to 12 months with just one application.

The attached sprayer makes it quick and easy to apply, with a spray range of up to 10 feet that can reach those hard to get places. To get the best results, treat all areas where spiders are found, spraying until wet but not soaking. For long lasting results, leave the spray undisturbed.

It's important to apply Miss Muffet's Revenge in calm weather where rain is not expected for 24 hours, and allow the spray to dry completely before entering the treated area.

Miss Muffet's Revenge is specially formulated for all spiders except Black Widow and Brown Recluse and has an unlimited shelf life. Plus, it's ready to use straight out of the bottle.

Say goodbye to unwanted spiders in your home with Miss Muffet's Revenge.

2. Spider & Scorpion Killer Aerosol – 12 Pack

The product at hand is a potent insecticide that effectively eradicates leaf-eating insects such as aphids, red spider mites, mealybugs, thrips, scales, whiteflies, and others. It can be used both indoors and outdoors to control unwanted pests in and around the garden.

This insecticide comes in a concentrate formula that can be easily mixed with water at the rates listed on the label. The user-friendly instructions on the label make it easy to prepare the solution.

Not only is this insecticide potent, but it is also non-staining. It won’t leave any unsightly stains on most home sidings, depending on their age and cleanliness. This makes it a reliable solution for gardeners and homeowners alike.

However, the product contains a chemical that is known to the state of California to cause cancer. This is indicated on the label with a Prop 65 warning. It is important to follow the safety guidelines when using this product to avoid any harm.

The manufacturers of this insecticide are confident in their product's effectiveness. They offer a guarantee that it will work or your money back. This gives the user peace of mind and reassurance that they are making a safe and reliable investment.

3. Lawn-Safe Insect Killer Granules: Spectracide Triazicide

The outdoor insecticide is a reliable solution for those looking to eliminate lawn insects. The product comes in the form of granules that can be used as a band treatment around the foundation of the house or on the lawn.

With the ability to kill more than 100 insect types, including those that thrive above and below the ground, this insecticide is an effective solution for anyone looking to get rid of pests. The product is especially effective against ants (excluding harvester and pharaoh ants), crickets, armyworms, cutworms, grubs, ticks, and many others.

The insecticide is formulated to kill insects on contact, making it the perfect solution to use when insects first appear or when you start to notice lawn damage. The granular formula makes it easy to distribute the product uniformly around the treatment area. After applying the granules, it is recommended to water the area lightly to ensure optimal effectiveness.

This insecticide also offers effective control against grubs. To ensure maximum effectiveness, it should be applied when insects and grubs are active in the lawn and soil.

4. Organic Gardening Savior: Neem Oil Fungicide.

The Bonide Neem Oil is a versatile and effective solution to pest problems in any garden. This multi-purpose bug killer is able to control mites, flies, mildew, and other common pests. The product acts as a three-in-one fungicide, miticide, and insecticide, making it a comprehensive solution to multiple garden issues.

One of the convenient features of this product is that it is ready to use straight out of the package. The spray nozzle makes it easy to deploy and the product can even be used up until the day of harvest. This feature saves gardeners time and effort, allowing them to focus on other aspects of their garden.

Bonide's 3-in-1 Neem Oil is also effective in killing insects at all stages of their life cycle. This includes the egg, larvae, and adult stages, making it a highly efficient pest control solution. It also helps prevent the fungal attack of plant tissues, further protecting the garden from damage.

In addition to its pest control capabilities, this Neem oil can also be used as a dormant spray, providing year-round protection for plants. This feature is especially useful for gardeners who want to protect their plants throughout all seasons.

One of the best features of the Bonide Neem Oil is that it is derived from the Neem seed and is approved for organic gardening. This means that it can be safely used on roses, flowers, vegetables, fruits, herbs, indoor houseplants, trees, and shrubs without any harmful effects. This makes it an eco-friendly and sustainable choice for gardeners who prioritize organic gardening techniques.

5. Syngenta 73654 Demand Cs Insecticide, 8oz, Beige

Looking for a reliable solution for your pest control needs? Look no further than Demand CS insecticide concentrate! With its powerful formula, this water-based insecticide is designed to control a wide variety of common insects, including spiders, ants, flies, wasps, fleas, ticks, and bed bugs.

Whether you're dealing with an infestation inside your home or pests outside in your garden or yard, Demand CS has you covered. This versatile insecticide concentrate is ideal for use both indoors and outdoors, providing excellent pest control in any situation.

Each 8 oz bottle of Demand CS makes between 8 and 40 gallons of solution, depending on your needs. Simply mix 0.2 to 0.8 oz (or 6 to 24 ml) of the concentrate per gallon of water, and you're ready to start tackling those pesky insects.

It's important to note that the LOT number printed on the bottle is not an expiration date, so you can be confident that your Demand CS insecticide concentrate will remain effective for years to come.

Don't let common insects take over your home or yard. Trust Demand CS to provide powerful, reliable pest control that you can count on.

6. Organic Pest Control Concentrate – Smite Spider Mites!

Supreme Growers presents SMITE, the purest concentrate available in the market. With a gallon size, it can produce 128 gallons of ready-to-use product. SMITE is a 100% all-natural pesticide that can be safely used for all crops and stages, from seed to flower. Its formula contains a diverse blend of powerful plant oils that can instantly kill spider mite eggs and adult infestations on contact. For optimal use, it is essential to shake the product vigorously before every application. In case of any queries, customers can call the hotline at (614) 745-1945.

SMITE is incredibly effective, both for contact and preventive control. Its formula comprises four ultra-pure diverse food-grade natural "whole plant" oils that target specific modes of action. The patented micronization process used in SMITE reduces the size of these bulky, heavy oils to less than one micron. This allows them to penetrate into the abdomen of the pests and cause suffocation with higher efficiency.

SMITE's effectiveness extends to a wide range of pests, including spider mites, broad mites, aphids, southern red mites, European red mites, mole crickets, mosquito larvae, chiggers, thrips, and whitefly. The Geranium, Peppermint, Cotton Seed, and Rosemary oils used in SMITE are extracted with cold-press methods to retain the purity of the ingredients. No heat or chemical solvents are used in the process. The oils are sourced from Asia to ensure the highest level of quality and avoid GMOs.

SMITE is fully registered and approved for all sectors of agriculture. In warm conditions, it naturally biodegrades, leaving minimal to no residue. It is safe to use on vegetables, fruits, flowers, medical cannabis/marijuana, and other crops. SMITE can be sprayed on plants of every age, from seed/clones through harvest. Unlike other products, spider mites do not develop immunity to SMITE. It can be sprayed up to and past harvest, provided it has enough time to dry before making extracts and consuming.

Order SMITE now by clicking "Add to Cart." At Supreme Growers, they believe that quality starts at the soil. Their mission is to provide growers with the resources and knowledge to make self-sustainable growing economically viable. This is their commitment to their customers.

7. Csi – 82005007 – Viper – Insecticide – 16oz

Viper EC is a reliable insecticide solution that contains 25.3% Cypermethrin. This product is designed to provide efficient control against a variety of pests in non-food areas such as windows, doors, cabinets, closets, baseboards, and garages. It can also be used as a broadcast spray outdoors.

Before applying Viper EC, it is recommended to test it outside as it has a slight odor. To use, mix 1.3 ounces of Viper EC Insecticide into a gallon of water and apply as a coarse spray to areas of pest infestation. It is important to close and shake the sprayer before use to ensure proper mixing. If spraying is interrupted, shake or re-agitate the sprayer before resuming application.

It is important to note that the sprayer should only be filled with the desired volume of water and Viper EC Insecticide as required. Repeat treatments may be necessary when needed.

8. Onslaught Fastcap Spider And Scorpion Insecticide 1 Gallon

The Onslaught FastCap is a powerful insecticide designed to eliminate a wide range of pesky bugs from homes and commercial structures. Using a unique microencapsulated formula, this product delivers fast-acting results that kill bugs quickly. The formula is made up of three active ingredients, including the Exponent brand synergist, that work together to provide a comprehensive solution for pest control.

This insecticide is highly versatile and can be used both indoors and outdoors. It is safe for use in food and non-food areas of commercial structures, making it an ideal solution for businesses that require effective pest control solutions. Whether you are dealing with difficult bugs like spiders, scorpions, fleas, ticks, mosquitoes, roaches, or other common pests, this product can help you get rid of them quickly and effectively.

The Onslaught FastCap comes in an easy-to-use polymeric formulation that makes it simple to apply. Simply follow the instructions on the label and apply the product to the affected areas. This product is designed to be long-lasting, providing ongoing protection against bugs for weeks after application.

9. Demand Cs 32oz Insecticide

The Lambda-Cyhalothrin 9.7% (Synthetic Pyrethroid) is an effective insecticide solution that can be used in various settings. The Demand CS 9.7 is a versatile product that can be used in a wide range of areas such as lawns, trees, shrubs, homes, garages, kitchens, schools, apartments, closets, patios, porches, mobile homes, nursing homes, hospitals, kennels, poultry housing, bakeries, gardens, storage facilities, warehouses, athletic fields, and other areas.

Using the Demand CS 9.7 is easy and convenient. Simply mix 0.2 to 0.8 ounces of the solution into one gallon of water and apply it to the target area. This product is perfect for those who want to keep their surroundings free from pesky insects.

The Lambda-Cyhalothrin 9.7% (Synthetic Pyrethroid) is a powerful insecticide that can effectively eliminate a wide range of pests. It is perfect for use in both residential and commercial settings, such as homes, schools, restaurants, and hospitals.

The Demand CS 9.7 is safe to use and can be applied directly to the target area without causing any harm to humans or animals. It is a reliable solution that can provide long-lasting protection against insects.

10. Mgk 10085 Onslaught Fastcap Spider And Scorpion Insecticide, Off-White

This product is a powerful and reliable tool that is perfect for all your needs. It is designed to be used manually, which means that you don't have to worry about finding a power source or dealing with any complicated wiring. This makes it incredibly convenient and easy to use, no matter where you are or what you are doing.

Please note that this product is not available for sale in CT or VT. However, if you live in another state, you can rest assured that you will be able to purchase this product and enjoy all its benefits.

When it comes to power tools, reliability is key, and this product does not disappoint. It is made from high-quality materials that are designed to last, so you can be sure that it will perform well for years to come. Additionally, it is incredibly easy to operate, with a user-friendly design that makes it accessible to people of all skill levels.

Best Insecticide For Spiders Outdoors FAQs

Are there any insecticides that can repel spiders and keep them from returning?

Yes, there are insecticides that can repel spiders and help keep them from returning. One of the most commonly used and effective insecticides for this purpose is pyrethrin. Pyrethrin is a natural insecticide derived from chrysanthemum flowers and it is known for its ability to repel and kill spiders, as well as other insects.

Another effective insecticide for repelling spiders is permethrin. Permethrin is a synthetic insecticide that is commonly used to treat clothing and outdoor gear to repel ticks and other insects. It can also be used as a spray to repel spiders and other crawling insects.

It's important to note that while insecticides can be effective in repelling spiders, it's not a long-term solution. Regular cleaning and decluttering can help reduce the spider population and prevent them from returning. Additionally, sealing cracks and crevices around doors and windows can help prevent spiders from entering your home in the first place.

Can natural insecticides be effective against outdoor spider infestations?

Yes, natural insecticides can be effective against outdoor spider infestations. There are several types of natural insecticides that can be used to control spider populations, including essential oils, diatomaceous earth, and neem oil. Essential oils such as peppermint, lavender, and tea tree oil can be mixed with water and sprayed around the perimeter of your home to repel spiders. Diatomaceous earth is a powder made from fossilized algae that can be sprinkled around the outside of your home to kill spiders by dehydrating them. Neem oil is derived from the neem tree and can be used to repel and kill spiders. It works by disrupting the spider's hormonal system, causing them to stop eating and eventually die. It is important to note that while natural insecticides can be effective, they may not provide as long-lasting or immediate results as synthetic insecticides. It is also important to follow the instructions on the product label and take proper safety precautions when using any type of insecticide.

How do I select the right insecticide for my specific outdoor spider problem?

When selecting an insecticide for your outdoor spider problem, there are a few things you should consider to ensure that you choose the right one.

First, identify the type of spider you are dealing with. Different spiders require different types of insecticides. For example, a broad-spectrum insecticide may not be effective against certain species of spiders.

Next, consider the location of the spider infestation. Is it in an area where people and pets frequently visit? If so, you may want to choose an insecticide that is safe for use around humans and animals.

Also, think about the severity of the infestation. If the infestation is minor, a less potent insecticide may be sufficient. However, for a more severe infestation, a stronger insecticide may be necessary.

Lastly, consider the environmental impact of the insecticide you choose. Look for products that are eco-friendly and have minimal impact on the environment.

Overall, choosing the right insecticide for your outdoor spider problem requires careful consideration of the type of spider, the location of the infestation, the severity of the infestation, and the environmental impact of the product. It's always best to consult with a professional pest control company for advice and guidance.

How long does it take for insecticide to work on outdoor spider populations?

The length of time it takes for insecticide to work on outdoor spider populations depends on various factors such as the type of insecticide used, the severity of the infestation, and the species of spider present. Generally, insecticides designed to control spiders are contact killers, meaning they kill on contact with the spider. This can be effective in reducing the spider population immediately after application.

However, if the infestation is severe, it may take several days or weeks for the insecticide to fully eliminate the spider population. It is important to follow the instructions provided by the manufacturer carefully to ensure the product is used correctly and in a safe manner. Additionally, it is recommended to reapply the insecticide as needed to maintain control of the spider population.

It is important to note that insecticides can have negative effects on non-target organisms such as beneficial insects and wildlife, so it is essential to choose a product that is safe for the environment and follow all label instructions to minimize any potential harm.

What are the potential risks associated with using insecticides for spider control outdoors?

Using insecticides for spider control outdoors can pose several potential risks. Firstly, insecticides can be harmful to other beneficial insects and organisms in the environment, disrupting the natural balance of the ecosystem. Secondly, insecticides can also be harmful to pets, wildlife, and humans if not used properly. Exposure to insecticides can cause skin irritation, respiratory problems, and other health issues. In addition, some insecticides can remain in the soil or water for an extended period, contaminating the environment and posing a long-term risk to the ecosystem and human health.

Furthermore, using insecticides for spider control can also lead to the development of resistance in spiders, making it more difficult to control them in the future. This can result in the need for stronger and more toxic insecticides, which can exacerbate the risks and negative effects on the environment and human health.

Therefore, it is important to use insecticides for spider control outdoors only when absolutely necessary and to follow all safety precautions and instructions provided by the manufacturer. It is also recommended to consider alternative methods of spider control, such as natural repellents or physical barriers, before resorting to insecticides.

What is the best time of year to apply insecticide for outdoor spider control?

The best time of year to apply insecticide for outdoor spider control depends on various factors, such as the type of spider species, location, and climate. Generally, the best time to apply insecticide is during the spring season when spiders are most active and are starting to build their webs. However, if you live in a warmer climate, spiders may be active year-round, and you may need to apply insecticide more frequently.

It is also essential to consider the type of insecticide you are using and its specific application instructions. Some insecticides require dry conditions, while others may be more effective in damp conditions. Therefore, it's crucial to read the label and follow the manufacturer's instructions carefully.

Additionally, using an integrated pest management (IPM) approach that includes preventative measures such as sealing cracks and crevices, removing debris, and minimizing outdoor lighting can help reduce spider populations and lessen the need for insecticide applications.

What is the best way to apply insecticide to outdoor areas to control spiders?

The best way to apply insecticide to outdoor areas to control spiders is by using a pump sprayer. First, identify the areas where spiders are likely to be found, such as around windows, doors, and other entry points. Then, mix the insecticide according to the manufacturer's instructions and pour it into the pump sprayer. Be sure to wear protective clothing, such as gloves and a mask, to avoid contact with the insecticide.

Next, pump the sprayer to build up pressure and then spray the insecticide in a sweeping motion, covering the entire area where spiders are likely to be hiding. Pay special attention to cracks, crevices, and other tight spaces where spiders are known to hide. It's important to apply the insecticide evenly and thoroughly to ensure maximum effectiveness.

After applying the insecticide, let it dry completely before allowing people or pets to enter the area. It's also a good idea to reapply the insecticide every few weeks to ensure ongoing control of spiders and other pests. Remember to always follow the instructions provided by the manufacturer and take appropriate safety precautions when handling insecticides.

What is the most effective insecticide for controlling spiders outdoors?

There are several insecticides available in the market that can effectively control spiders outdoors. However, the most effective one depends on the type of spider and the severity of the infestation.

For general spider control, pyrethroid-based insecticides are considered effective. These insecticides work by targeting the spider's nervous system, resulting in paralysis and death. They come in various formulations, including sprays, dusts, and granules. Sprays are ideal for easy application, while dusts and granules are best for hard-to-reach areas.

Another effective option is using natural or organic insecticides, such as neem oil, vinegar, or citrus-based products. These substances work by disrupting the spider's respiratory system, causing suffocation and death. They are eco-friendly and safe for humans and pets.

It is important to follow the label instructions for any insecticide used, and to wear protective clothing and gear, such as gloves and masks, when applying them. Additionally, it is recommended to consult with a pest control professional for the best treatment plan for your specific spider infestation.

What type of insecticide is safe for outdoor use around pets and children?

When it comes to using insecticides around pets and children, it is important to choose a product that is safe for them. There are several types of insecticides that are safe for outdoor use around pets and children. One of the safest options is insecticidal soap. This natural insecticide is made from potassium salts and fatty acids, making it non-toxic to humans and pets. It is effective against many common garden pests, including aphids, spider mites, and whiteflies. Another safe option is neem oil, which is derived from the neem tree. It is effective against a wide range of insects and pests, but it is safe for use around pets and children. Finally, pyrethrin is a natural insecticide that is derived from chrysanthemum flowers. It is safe for use around pets and children, but it is important to follow the instructions carefully to avoid any potential risks. Overall, when choosing an insecticide for outdoor use around pets and children, it is important to choose a product that is natural and non-toxic.

Which insecticide is best for killing spider populations in the yard?

When it comes to controlling spider populations in your yard, there are several insecticides to choose from. The best insecticide to use will depend on the type of spider you are dealing with and the severity of the infestation. In general, insecticides containing pyrethroids or neonicotinoids are effective against spiders.

Pyrethroids are synthetic chemicals that mimic the natural insecticide pyrethrins found in chrysanthemum flowers. They are commonly used in household insecticides and are effective against a wide range of pests, including spiders. Neonicotinoids, on the other hand, are a newer class of insecticides that target the nervous system of insects. They are highly effective against spiders and other pests, but may also harm beneficial insects like bees.

Before using any insecticide, it is important to read and follow the label instructions carefully. You should also take steps to reduce spider habitats in your yard, such as removing clutter and debris, sealing cracks and crevices, and keeping vegetation trimmed and away from the house. By combining insecticide treatment with good spider prevention practices, you can effectively control spider populations in your yard.