Best Spray to Kill Joro Spiders [2023 Review]

Joro spider in his web photographed with a blue sky

Joro spiders are common pests in our homes and gardens. They are small and agile, making them difficult to eliminate with traditional insecticides. That is why you need the best spray to kill Joro spiders that will ensure the population of these pests is kept in check. 

Our Top Joro Spider Kill Spray Recommendations

Though spiders can greatly help pest control, Joro spiders can become a nuisance if their numbers get out of control. They can be found in many places, including walls, furniture, and other dark or damp areas. Investing in an ideal spray will help reduce the population of Joro spiders. 

The following are some of the best sprays available to help you get rid of Joro spiders:

Best Joro Spider Kill Spray Overall: Superior DIY Pest Control

Superior DIY Pest Control from Self Control Pest is our top pick for the Joro spider killer. This powerful formula eliminates any type of crawling insect, including the Joro spiders. Unlike Wondercide-indoor pest control spray, this spray comes in a convenient bag that is easy to carry.

The spray is also easy to use. All you need to do is mix the recommended amount of water, shake well, and spray it along the spider's pathways. This makes it ideal for treating large areas like shaded garages.

This superior DIY insect killer spray works quickly and effectively due to its advanced formula that kills Joro spiders on contact. It is also residual, meaning it will keep killing Joro spiders for six weeks after the initial application inside and outside your house.

Unlike others on the list, this one comes with a bottle of pesticide concentrate, a battery-powered applicator spray wand, a mixing and application bag, a pair of gloves, and an instructional guide to help you manage pest control yourself. The only downside is that you may not effectively eliminate the bugs if you don't apply the spray according to instructions. 


  • The ingredients used to make this spray are natural and safe for children and pets.
  • The advanced formula eliminates any crawling insects, including Joro spiders.
  • It has residual action to provide longer protection


  • You have to mix the solution before use. This can be inconvenient for some users.
  • If you miss following the instructions, you may not effectively eliminate spiders.

Best Joro Spider Contact Kill Spray: Terro T2302-6 Spider Killer Spray

The Terro T2302-6 is the best spray to kill Joro spiders on contact. This product comes in an aerosol form and is ready to use straight from the can. It has two main ingredients, pyrethrin, and deltamethrin, to kill various species of spiders like a black widows, brown recluses, and hobo spiders, whose bites can be deadly.

Similar to Superior DIY Pest Control, the Terro T2302-6 is safe to use around children and pets. However, it’s specifically designed only to kill spiders and similar insects, so you’re very limited when dealing with other pests, and you might need to buy additional products. It kills spiders on contact, making it an excellent option for eliminating Joro spiders quickly. Unlike Control Freaks, which comes with a mix and application bag, Terro T2302-6 only requires you to turn the dial at the top of the can and press it to spray.

Unfortunately, this kill spray can be highly toxic to aquatic life if used near water sources, so be very careful.


  • The broad area of coverage is suitable for both indoor and outdoor use
  • It kills other insects like ants, flies, and roaches due to its powerful formula.


  • It can be highly toxic to aquatic life if used near water sources
  • It contains a chemical compound that can be harmful if inhaled

Best Environmentally Friendly Joro Spider Kill Spray: Wondercide - Indoor Pest Control Spray

The Wondercide-indoor pest control spray is a safe and non-toxic way to eliminate Joro spiders. This spray contains natural ingredients, such as cedar oil extracts, sodium lauryl sulfate, sesame oil, and peppermint oil, that are proven to be effective in killing these pests.

Like Superior DIY Pest Control, which is safe and easy to use, this one also comes with a spray bottle and nozzle for easy application. It can be used indoors or outdoors, making it a great solution for those who want to eliminate Joro spiders without harming the environment.

Unlike Control Freaks Unite, which lasts six weeks after initial application, Wondercide’s protection lasts only four weeks, after which you will need to reapply the spray. Unfortunately it does not have a long-lasting effect, so you may need to re-apply the spray more often.


  • Safe and non-toxic spray that is safe for humans and pets
  • It contains natural ingredients that are proven to be effective in killing spiders
  • It kills other insects, such as ants, fleas, and roaches, making it a multipurpose solution


  • It does not have a long-lasting effect, so you may need pest control monthly and to re-apply the spray more often
  • It can be time-consuming as it needs to be applied directly to infested areas.

Features to Consider Before Buying the Sprayer


Safety Level

Coverage Level

Terro T2302-6 Spider Killer Spray

pyrethrin and deltamethrin

Can be toxic to aquatic organisms if used near water

Wide coverage

Wondercide-indoor pest control spray

cedar oil extracts, sodium lauryl sulfate, sesame oil, and peppermint oil

Safe around humans and pets

Confined Coverage

Control Freaks Unite


Extremely safe around pests, humans and aquatic life

Wide coverage

Joro spider in his web photographed with a blue sky

Image Credit

When choosing the right pest spray to get rid of spiders, there are a few features you need to consider.

Lasting Effect

The spray should provide a long-lasting effect, so you don't have to reapply it frequently. For instance, the Superior DIY Pest Control spray lasts up to six weeks after application. This ensures that the spider infestation is wholly eradicated.

Coverage Area

The spray should cover a broad area to kill the spiders in an entire room or area effectively. Superior DIY Pest Control is an excellent choice as it offers wide coverage.

Toxicity Levels

The spray should be non-toxic, poison-free, and safe for children and pets. You don't want to risk your family and pets with a poisonous substance. For example, Wondercide-indoor pest control spray is non-toxic and safe for humans and pets.Yellow and black Joro spider hanging on a web

Frequently Asked Questions

Is There a Spray That Keeps Spiders Away?

Yes, spiders hate the smell of peppermint, lemongrass, citronella, and cedarwood essential oils. So, you can make a DIY spray with these ingredients to keep the spiders away. 

Are Joro Spiders Poisonous?

No, Joro spiders are not poisonous, and they do not pose any harm to humans. However, they can cause irritation and inflammation if bitten. So it is essential to keep them away from children and pets.


Having the best spray to kill Joro spiders is essential for keeping your home free from these pesky pests. Before purchasing any spray, consider the coverage area, toxicity levels, and efficacy of the spray. That way, you will buy the right product for the job.

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