8 Best Spider Mites Killers: How To Get Rid of Spider Mites in 2021




Spider mites are very destructive pest we tend not to pay attention to. If you are especially into small, medium and/or large scale plant growing, you need to make sure that you protect your plants from as many pests as possible. One dangerous pest you need to pay attention to is spider mites. You might not easily locate them as they live on the undersides of leaves of plants. They mostly spin protective webs around the undersides to puncture and feed on the cells of your plants. They suck out all the nutrients would stop growing.

How can you get rid of spider mites effectively? The thing is that spider mites might die naturally if they are of very low density in your home and/or plant fields. But this might not be the case if you have a large population of them on your plants. The most effective way to get rid of them is through chemical killers. Among these miticides for spider mites are homemade spider mite killers and pesticides. These chemicals are more effective than natural killers because they quite faster. The direct contact penetrates through the cells of your plants very quickly and kills the spider mites. They can be used for both indoor and outdoor growing which is why plant growers have a lot of trust in chemical spider mite killers.

In this informational content, we would examine the best spider mites killers(both chemical and natural) you can use for both indoor and outdoor growing. After a thorough read of this content, you would be able to choose for yourself. Do follow through.

The Best eight spider mites killers are reviewed below



The pyganic botanical insecticide is a top pick when it comes to the best spider mites killers around. You would love the effect of this insecticide on your plant fields, especially if you are operating an organic plant field. This chemical insecticide is renowned for killing spider mites of different variants; it works through direct contact with your plant leaves. The product is made from pyrethrins derived from chrysanthemums which is very effective in killing pests like spider mites. When it comes to utilizing a spider mite killer for your homegrown plant field, this is very ideal for you. Why? Because it does not contain chemical components that can damage your plants. So, it is very suitable for indoor and outdoor plant growing. How best do you apply the pyganic insecticide? If you want to get the best out of the insecticide, spray with a knapsack sprayer. Dilute into water 1 to 1.4 fl. oz. per gallon of water for a plant field of 1,000 sq. ft. This specification is the required one for a mixing into a knapsack sprayer. A knapsack sprayer will effectively distribute the insecticide around the top and undersides of your plant leaves. One thing is for sure, you would see great results after spraying effectively.

Key Features:

  • Contains 1.4% of pyrethrins
  • Very good for organic growing
  • Does not stunt your plant growth
  • Effective for different variants of plant pests and insect


  • Brand- MGK
  • Model- Pyganic botanical insecticide
  • You can use the product for various insecticides and pest
  • It does not have chemicals that affect plant growth
  • You can use this insecticide throughout the growing season; even up to the day of harvest
  • Regulation of spray rate issues



The neem bliss oil is a renowned easy-to-use miticide for spider mites. It is very suitable for both indoor and outdoor growing fields. The neem bliss oil is composed of Azadirachtin, which makes it very effective upon contact with the leaves of your plants. The product is 100% cold pressed pure and natural neem oil from Azadirachtin. The oil is gotten from the neem tree through a process called cold press extraction; this makes sure that the oil is of the highest quality. So, all you have to do is to apply this oil on your plants regularly to keep them healthy and kill every spider mites that might be growing on them. For the mixing prescription, pour one and a half teaspoon of neem bliss oil per 1 oz/gallon. After this, add 2 teaspoons of dishwasher soap per gallon, then pour into your knapsack sprayer. Spray your leaves very well, both the top and undersides. Do this once every two to four weeks for maximum results. When you spray for like 2 months, you would see how effective the neem oil is; all traces of spider mites would nearly cease to exist. Always make sure you keep the product in a warm dry environment to avoid freezing.

Key Features:

  • Easy to use
  • High Azadirachtin content
  • 100% our neem oil and non-toxic


  • Brand- Neem bliss
  • Model- Neem bliss oil
  • The fact that it is 100% neem oil-composed means that it is non-toxic to your plants
  • Very easy to use; just dilute in some water and dish soap
  • Might develop particles that can clog the nozzle of your knapsack sprayer



The southern AG pyrethrin is a miticide for spider mites whichh gives you super fast action. You can trust the product to kill all spider mites on your plant fields quickly and effectively. The product is 100% organic, and it is made from relative chrysanthemum. The components of the southern AG product are 0.96% pyrethrins and 9.6% piperonyl butoxide. It works effectively on all insects like spider mites; more so, you can use it for both indoor and outdoor growing. All you just have to do is to mix with water and spray with a knapsack sprayer.

Make sure that the top and the downsides of your leaves make contact with the solution; this is when it would be effective. 2 teaspoon per gallon is effective for all plants and flowers. The southern AG pyrethrin works best when you speak before the sun comes out. Make sure you do not spray when it is raining; you would not get any effect at all. Spray every 2 to 3 weeks to get better effects. Take note: while mixing, do not mix more than 3 teaspoons per gallon. This is a precaution to keep your plants in good growth. If you use the prescribed measurement, the product would not damage your plants.

Key Features:

  • 0.96% pyrethrins and 9.6% piperonyl
  • Quick action mitiicide
  • Great indoor use


  • Brand- Southern AG
  • Model- Souther AG natural pyrethrin
  • The product is very effective for spider mites and other insects and plant pests.
  • The product does not damage your plants
  • It is not advisable for fields of edible plants


Forbid 4F

The forbid 4f insecticide is a top option when it comes to miticides for spider mites and white flies. If you are looking for a miticide that is very stereotyped and specific in its action, the Forbid 4f product is for you. The product is specifically for spider mites and whiteflies. The forbid product is very effective for adult spider mites; just a contact is enough. The product provides a long residual by controlling and preventing the root of spider mites’ infestation itself. It kills eggs and other life stages of the spider mites. So, you are sure that the miticide is killing spider mites on your fields and preventing a reoccurence in the nearest future.

What more makes the forbid 4f very effective? The product has a translaminar activity which ensures that spider mites on both sides of the leaf are killed, even if it is sprayed on only one side. This is an extra perk because there are many times that you would not be able to touch all the undersides of your plant leaves while spraying. More so, the fact that the forbid 4f insecticide controls all the life stages of spider mites makes it very effective for growing your plants from the early stages.

Key Features:

  • Translaminar activity on plant leaves
  • Effective for all spider mite life stages
  • Great for early plant growth
  • 45-day long residual impact


  • Brand- Bayer environmental science
  • Model- Forbid 4f miticide
  • It is very suitable for both large and small growing fields
  • Very effective for spider mites and white flies especially
  • It assists you as a plant grower in growing healthy plants
  • Quite costly


Floramite SC miticide

The floramite SC miticide is another quality choice for the best spider mites killers. The product is very effective just like the forbid 4f product; it is very effective for all stages of the spider mite insect. Flora mite SC controls a variety of insects and plant pests in greenhouses, shade houses, nursery fields and interior scapes growing. This simply means that you can effectively use the miticide in any plant growing field. Why are we so sure of the efficacy of the flora mite product? This is because many users have testified to the fact that the flora mite miticide kills every stage of the spider mite pest.

In fact, it is tested and proven that the product is effective for the egg and adult stage of the tetranychid spider mites. All that you just need is a contact with the leaves of your plant fields. The product penetrates the cells of your plant leaves to kill any growing insect. More so, the product has a long residual control of more than 28 days; meaning it is still effectively killing pests and insects on your plant leaves after 28 days of application. One thing is certain, you would get healthy plants if you grow them with the flora mite insecticide.

Key Features:

  • 28-day long residual effect
  • Effective plant growing insecticide


  • Brand- Floramite SC
  • Model- Floramite SC miticide
  • The product is very adaptable; suitable for both indoor and outdoor growing.
  • Quite easy to apply
  • Effect might reduces after prolonged use


Safer brand miticide soap

Many times, growers and others persons alike are always divided in their opinions on the efficacy of soap miticides in killing spider mites and other insects. But here is a product that clears all doubt. The safer brand miticide soap is very effective for killing spider mites and other insects on your plant fields. The product is very effective on contact with the leaves of your plants. It has no chemicals that would stunt the growth of your plants. It is composed of natural ingredients that penetrate the cells of your plant leaves to kill any breeding insect(s).

How does this soap insecticide work? It is composed of extracts from plants which dries up insects and kills them. The soap upon contact with the insect dries up their waxy coating to penetrate their cells and kill them. Make sure you apply regularly like twice a week for better results. One thing with the safer brand miticide soap is that excessive application suffocates the cells of your plant leaves. So, for one gallon of water, apply two to three full teaspoons of the soap. Also, while applying, make sure you spray well to touch both the top and undersides of your plant leaves. This is because most spider mites hide on the surfaces of the underpart.

Key Features:

  • Omri-listed miticide soap
  • Natural plant extracts
  • Safe for plant growing


  • Brand- Safer brand
  • Model- Safer brand miticide soap
  • It is very suitable for small-scale growing purposes
  • Easy to use
  • The soap is very effective on contact with the leaves
  • Uncontrolled application might be poisonous


1500 live Ladybugs

The 1500 live ladybugs product is the best natural remedy for the infestation of your plant fields by spider mites. You are 100% guaranteed of chemical-free treatment. Generally, lady bugs are predators that eat up pests and insects. They eat up insects like aphids, spider mites, thrips and mealy bugs. If what you want is a very natural solution to your problem of spider mites infestation, this is what you should go for. Lady bugs eat spider mites from their egg to adult stage; so, you can use ladybugs to grow your plant fields. More so, lady bugs are not only applicable to vegetative plants, they can also be used for ornamental and flowery plants.

The 1500 live ladybugs is very simple to apply on your plant fields. You just pour them randomly around your plants; very easy. One thing with lady bugs that makes them even all the more beneficial is their ability to eat insect at any stage of their life cycle. A larvae lady bug can eat insect just as an adult lady bug would. For a plant filed of 100 sq. Ft. , a bag of the live ladybugs would suffice.

Release them unto your plant fields at dusk, after you have sprayed your plants with water. Release them to the base of your plants, near infestation in small-amounts over a two-week duration.

Key Features:

  • 1500 live ladybugs per bag
  • 100% natural remedy


  • Brand- Bug sales
  • Model- 1500 live ladybugs
  • The product eliminates every possibility of chemical damage to your plants
  • It is less stressful to maintain
  • Market-scarce.


Diatomaceous Earth powder

The diatomaceous earth powder is another potent organic remedy for spider mites. The product is very suitable for organic plant fields and you are 100% sure that they would not harm your plants. If you are looking for a natural remedy to infestation of insects, you can use this product. The diatomaceous earth is made of tiny fossilized diatoms called plankton accumulated for a long time in fresh water lakes. The deposits of these planktons are then grounded into powder which is high in silica and natural minerals. The diatomaceous earth is used for various cleaning and disinfectant purposes, but it can also be used to control insect infestation on plant fields.

How do you use the diatomaceous earth powder to control spider mites on your plant fields? All you need to do is to pour the powdery substance randomly on your plant leaves and their roots. The diatomaceous earth powder is particularly good for edible plant fields. This is because it would improve the quality of your crops part from controlling spider mites. Diatomaceous earth naturally have iron nutrients; these nutrients help a lot in developing strong plant roots and an overall healthy plant. You should apply the diatomaceous earth 5 days a week for better affects.

Key Features:

  • High silica and iron concentration
  • Food grade build
  • Stainless steel packaging


  • Brand- Diatomaceous Earth
  • Model- Diatomaceous Earth powder
  • The powder build makes it very easy to administer
  • The silica nutrient makes it very effective for crop growth
  • A little bit scarce

Buying Guide Questions

In this buying guide section, important and frequently asked Qs about the best spider mite killers would be answered. Do well to follow through.

How to get rid of spider mites?

The answer to this is very relative. There is no particular way that is considered the best way to get rid of spider mites on your plant fields. But you can effectively employ natural and/or chemical means (whichever suites your circumstances) to get rid of spider mites. This content has already highlighted the best natural and chemical miticides for spider mites; you can choose from the list. How then do you know what would work best for you? You have to tailor your spider mite control towards the effect you want to achieve on your plant field. If you are dealing with edible plants, you should get rid of spider mites using natural means. You can use the diatomaceous earth powder or 1500 live ladybugs. This is in a bid to ensure that your plant crops are not at any risk of damage from chemical components. If you have an ornamental field, on the other hand, you can choose to use any of natural or chemical miticides.

Does sevin kill spider mites?

This is unknown to many plant growers, but it is worth knowing. YES, sevin dust can be used to get rid of spider mites on your plant fields. The thing with spider mites is that they thrive very well in hot climates and they can multiply quickly. So, if you are negligent about it, they can decimate your plant fields in no time at all. Carbaryl, also known as Sevin dust is very effective in combating spider mites in your plant leaves. But note, you should only apply Sevin dust when you notice yellow colouration of your plant leaves. To apply the sevin dust effectively, follow these four steps.

Step 1, before you apply Sevin fust make sure the weather is quite dry and cool. This is because when you apply the sevin dust, the plant leaves go through phototoxicity, so they must be dry. Also, the watherust not be windy so as not to blow away the sevin dust. Step 2, make sure you wear a nose covering and hand gloves. This is in a bid to prevent inhalation and dangerous contact with the human system. Step 3, Gently use the shaker canister that comes with the sevin dust product. Step 4, make sure you repeat this process every two weeks. If your plants are still at their tender stage, apply more frequently because the sevin dust treatment may quicken the reproduction of spider mites.

What oils kill spider mites?

There are natural oils gotten from plant extracts that can be used in controlling spider mites on your plant fields. A notable natural oil for this is the neem oil; we already examined this oil in Iur list above. You can also use rosemary, eucalyptus, lemon and cinnamon oils in getting rid of spider mites. When using these oils, make sure you apply thoroughly to touch all undersides of your plant leaves.

Can spider mites infest your house?

YES. Spider mites have the ability to infest anywhere at all. Talk about plant fields, houses and vineyards. Once the environment is warm enough, spider mites can breed fast and infest such environment. So, it is very possible during hot seasons to have your house infested by spider mites. Though research has proven that spider mites prefer to infest plant leaves and crops, but this does not mean that they can not infest houses too. So, you can do well to always keep your ability to reduce the risk of spider noted infestation. If you eventually get your home infested by spider mites, you can use insecticides and natural remedies like the diatomaceous earth.

Will misting kill spider mites?

Misting helps in reducing the probability of spider mites infestation. Spider mites do like dry and warm environments, so if you mist with lukewarm water, you improve the humidity and moisturisation of your environment, thereby discouraging spider mites. More so, you are advised to always leave the leaves of your plants clean, this would help too.

What is the fastest way to killing spider mites?

Chemical and alcohol substances are the fastest ways of getting rid of spider mites. Rub alcohol and chemical-based miticides on the leaves of your plants. This method quickly kills spider mites at the egg and adult stage. But one thing with this method is that your plants are at risk of growth stunts due to chemical and/or alcohol contact.

Does dawn dish soap kill spider mites?

YES. Dawn dish soap can be effective in killing spider mites. All you have to do is to mix some amount of the dish soap in water and apply on the leaves of your plants. Take note though, dawn dish soap is not advisable for plant fields with a thick infestation of spider mites. Dawn dish soap is best effective for mild infestations.

What do spider mites hate?

Spider mites hate moisture and dampness. If you ensure that your plant fields are regularly sprayed with water, there is a high probability that you would not experience an infestation of spider mites. Always make sure to wet your plants regularly to build up the humidity and moisture level of your plant field(s).

What smell do spider mites hate?

Spider mites do not like the smell of peppermint and rosemary extract at all. This is why rosemary oil is a very effective oil to combat the infestation of spider mites. So, you can decide to spray your plant field with some peppermint solution or some rosemary oil. This would repel spider mites as the hot flavour chokes them.

At what temperature do spider mites die?

You should always take note that spider kites do not like the cold and most temperature at all. So, they are generally affected by cold temperature. If spider mites are exposed to extreme cold weather conditions between -30 and -40°C, they would most likely die. When it comes to the egg of spider it’s, if they are exposed to a temperature of 86°F for three straight days, they would die.

Can spider mites crawl on humans?

The answer to this one is in the affirmative. Spider mites can crawl on humans. They can move on humans. They can bite humans. If you come in contact with a plant that is infested with spider mites, you can get a bite in form of tiny pimple upon contact with the leaves of such plant.

Do spider mites lay an egg in soil?

It is very raw for you to find eggs laid by spider mites in the soil. This is not to say that they cannot lay eggs in the soil too. But when we talk about where spider mites lay their eggs more frequently, we are referring to undersides of plant leaves and on shrubs. It is very common to find eggs laid by spider mites on the undersides of plant leaves, especially in a plant field that is dry and warm. If you do not control the breeding of spider mites at the initial stages, you would find them laying eggs all over the undersides of your plant fields and wreak havoc. So, always makes sure to spray the undersides of your plant leaves very well. Also, do well to touch the root and soil of your plant field, you might just be killing eggs of spider mites.


In this informational content, everything you need to know about the best spider mites killers has been examined thoroughly. In this context, we have examined eight of the best spider mites miticides. We have started when it is best to use each of these miticides and how to use them. If you are running an edible plant field, do well to stay clear of chemical-based miticides. Many persons often ask why. This is because they can destroy the growth of your plant crops. There are chemical substances contained in some miticides that might affect the growth of your plant. Instead, use natural miticides like diatomaceous earth powder and lady livebugs. Apart from the fact that these natural spider mite killers would not do any damage to your plants, they would also improve the growth and quality of your plant crops. For instance, diatomaceous earth powder contains silica and other nutrients that are beneficial for healthy plant growth.

Always remember, in spraying spider mite miticides, either for indoor or outdoor plant fields, always make sure to spray either early in the morning or at dusk. This is when the miticides would have better effects. Also, always spray your plant fields with water regularly to improve the moisture level; this would aid the effect of any miticide you are applying. Do well to get a thorough read of this content, then you are good to go!