How To Treat Scale On Plants Naturally: 15 Useful Ways

How To Treat Scale On Plants- Scale insects, which appear as little lumps on plant shoots as well as foliage, are damaging houseplant bugs. Scales may cause significant harm to both indoor and even exterior plantings.

Scale pests burrow into trees and shrubs to suck on sap, causing discolored foliage, leaf loss, and limited plant development.

Scale management differs greatly from plant infection treatments, thus it is critical to understand the distinctions if you wish to cure and rectify the condition. You may simply clear out these pests and maintain your plants healthy by trimming, using essential oils, as well as using various organic remedies.

This scale pest management guide will educate you on techniques to clear out all these planet-destroying pests on both your indoor as well as outdoor plantings.

  • Plant Scale Damage, Prevention Methods
  • Where Do Scale Bugs Emerge?
  • When to Attack Scale Insects
  • Methods To Remove Scale Insects From Houseplants
  • Homemade Scale Spray Recipe
  • Scale Management On Outdoor Trees and shrubs
  • What Is the Appearance of Scale on Trees and shrubs?

Plant Scale Damage

Scale pest harm can appear as puncture holes on species such as tropical plants as well as cacti, perhaps as mild as brown and perhaps even yellow foliage on a shrub.

How To Treat Scale On Plants
How To Treat Scale On Plants

Fortunately, the harm induced by scale bugs on plants is not quite as severe or even as rapid as that induced by spider mites, although it can still appear to be severe.

When a potted plant’s scale infection is not handled, your plant might very well end up dying; however, this would require a prolonged time as well as a very big scale number for them to destroy a huge potted plant.

Where Do Scale Bugs Emerge?

Once you find scale around plant foliage, your immediate thought would seem to be, “Where could they emerge from?” Scale bugs are quite evasive, and you will frequently be unable to determine where they emerged from.

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Scale insects on plants may emerge from any place, so don’t spend too much time attempting to discover what triggers scale on houseplants. However, below are a handful of the top frequent locations where they might have emerged:

  • A brand-new potted cactus that you just bought from the shop.
  • Potting material that has been infected, Utilizing an old plant container.
  • Carrying your potted plants outdoors over the warmer months.
  • Fresh vegetables and perhaps trimmed flowers from your yard, as well as from the supermarket!
  • An uncovered window, one never realizes what the moth scales are up to!

When to Attack Scale Insects

Scale plant pests are extremely competent at self-defense at all phases of their development process.

Scale embryos are placed beneath the female’s abdomen, where they are protected by their mother insect’s impenetrable outer layer.

Control approaches are usually successful around the scale pest’s “crawler phase”, or the nymphs which emerge shortly after the eggs mature.

Their nymphs now have limbs and are busily migrating to locate fresh places to cling and eat. This is the moment when insecticides can successfully destroy them.

How To Treat Scale On Plants
How To Treat Scale On Plants

Nevertheless, timing is crucial as well as there is an extremely brief frame of chance.

Mature scale bugs can be difficult to eliminate since they’re so firmly connected to their target plant plus encased in their protective layer.

It can sometimes be convenient to merely cast out plagued crops instead of trying to take all of the required stages to remove the scale.

Prompt eradication can prohibit the scale from moving to nearby crops. However, when this is not feasible, there are various control approaches that have been shown to be efficient for scale.

How To Treat Scale On Plants Naturally: 9 Ways

  1. With forceps or your fingers, scrape off every bug from your shrub or pull the bug away off your shrub, gathering the scales inside a napkin or paper sheet to bring away for trash. This is most effective on trees and shrubs with big foliage.
  2. If your shrub just has a little invasion, wipe each scale insects on houseplants with an alcohol-soaked cotton bud and perhaps swab.
  3. Make your DIY pesticide spray with dilute dishwashing liquid and otherwise utilize commercial pesticide spray. However, results are usually visible after at most a month of frequent use, whether by sprinkling on the scales or rubbing it on them using a delicate cloth.
  4. Be certain that any pesticide you apply to get rid of scale on plants comes in a bottle marked to be used only on interior plants.
  5. Prune badly affected shrubs to lessen the amount of plucking and washing required. Place what you’ve cut off your shrub inside a trash bag before walking around your house to a garbage receptacle.
  6. To clear cushion scale from your shrub, attempt using horticultural oil and maybe even neem oil.
  7. A whole other option is to purchase a biological predator bug. What you would have to perform is place the predator bug immediately on your houseplant.
  8. This predator bug would eventually drop dead because of a shortage of food whenever every one of its scales had already been eaten away.
  9. To prevent your remaining houseplants from being affected, isolate any affected houseplants in a separate part of your home.
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Homemade Scale Spray Recipe

You may either purchase natural plant scale pesticide soap or prepare your personal natural pesticide for potted plants.

  • The formula for homemade plant scale disinfectant is 1 tablespoon natural weak liquid detergent to 1 liter of water.
  • Afterward, simply apply that on the scale plus foliage of your affected shrub.
  • Assuming your shrub is little, take it to your basin or tub then delicately cleanse the foliage using this soap as well as water combination, eliminating as much scale as possible as you cleanse your plant.

Scale Management On Outdoor Trees and shrubs

Scale bugs inside the yard may be controlled through a variety of methods, the most effective of which is avoidance or removal of infected crop parts before the bugs multiply.

Although you might not even have to do every one of these actions, a mix of them might be required to combat a scale insect problem.


Assuming you discover the infection when it is fairly light, cutting affected shoots is frequently the simplest and most reliable remedy.

Examine your plant extensively, and also any nearby plants, to confirm that all contaminated shoots have been cut.

Damaged plant debris should not be composted; instead, it should be bagged and disposed of, or securely burned.

Use Rubbing Alcohol To Cure

When the problem is minor, rubbing alcohol might be used for treating scales on plants. The preferred technique is to use a cotton ball to apply the rubbing alcohol precisely on the scale pests.

And that can be time-consuming in an outside yard, therefore prepare a backyard sprayer and maybe spray container with a mixture of one portion rubbing alcohol plus seven portions water.

Continue each 2 to 3 days till the pest bugs are gone.

Use Pesticidal Soap

Although pesticide soaps could be utilized to remove scale larvae, they are ineffective after the bugs are attached and eat behind their armored shells. Using a spritz container or yard sprayer, sprinkle till all the fronds are drenched.

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In common parlance, 1 ounce of detergent to 4 liters of water is a fair rule of thumb, but check the product guidelines to be absolutely positive.

Make Use of Helpful Bugs

Helpful bugs like lady beetles, soldier beetles as well as bloodsucking wasps could be a significant and efficient scale pest management.

You may help these biological pests by giving them food and refuge. You may also order helpful bugs to unleash within your yard via delivery.

Other Scale Prevention Methods

  • Recognize the issue early on. If you pay attention to your crops, you won’t bother to fight scale insects.
  • Delicate scale insects are raised by ants because of their honeydew. Sprinkle diatomaceous earth all about the root of softer-stemmed crops
  • And also sprinkle it over all your crop edges to decrease ant raising of scales or aphids, as well as similar honeydew-producing insects.
  • Ants would be repelled from approaching by a small circle of diatomaceous earth.
  • When you detect a lone scale-infested limb of a tree or shrub, cautiously cut it off as well as keep it away before it spreads.
  • Rub a couple scale bugs using alcohol when you spot them. Alcohol dehydrates the bugs, causing them to leave your plant.

FAQs: How To Treat Scale On Plants

Q: Can Neem Oil Destroy Plant Scales?

Neem oil is an essential pesticide that has been shown to be highly good in organically removing scale from potted plants.

Q: What Do You Apply On Plants To Get Rid Of Scales?

Three regularly utilized tree scale treatment pesticides that are helpful include acephate, dinotefuran as well as imidacloprid.

Q: Is There Scale Inside Growing Medium?

Certainly, they could populate plants even if they are kept indoors.

Q: Are Scale Bugs Able To Move?

In particular, they roam around looking for a good area to set up and eat.


Maintaining your sick plant separate from your good health seedlings renders scale spreading more difficult.

Your shrub will be restored to healthiness if you remove the mature bugs then sprinkle the larvae with caution.

I hope you find this article very helpful on How To Treat Scale On Plants?