White Spots on Monstera

Last Updated on November 15, 2022 by Stephanie

A healthy monstera will be a lush green and free of blemishes foliage. If you do notice the presence of white marks on your beasta, it is a sign its at risk.

The white spots on monstera are usually caused by mealybugs as well as powdery mildew. To eliminate it:

  1. Rub the leaves in order to get rid of some of the white substance.
  2. Use a safe fungicide such as the oil of neem and improve air circulation to get rid of mildew that is powdery.
  3. Make use of neem oil, insecticidal soap or rubbing alcohol to eliminate mealybugs.

The overwatering of plants, the spraying of water on the leaves, or applying overhead irrigation could all contribute to the development of white spots on leaves of plants. Ill help you identify and the treatment of the white marks on your plants monstera.

Why Are There White Spots on My Monstera?

For me, the monstera plants are the ideal combination of lush, low-maintenance foliage. However, a variety of diseases, pests and other issues with care can result in patches of white or marks on the evergreens.

Here are some possible explanations for the issue:

[1] Powdery Mildew

Powdery mildew is the primary thing to be aware of when you see white fluff appearing on the leaf of the plants. There may also be streaks of white on the monstera as a result of this.

If you notice that mildew-like powdery growth in your garden, this is a sign of the fungal infection creating the white like talcum buildup. The flowers and foliage can be covered with an ecru or white layer (if your monstera been blooming for a while).

The winter months are the most common time when the disease can be a victim. Because of the indoor environment that it is frequent on indoor plants than the monstera plant that grows outdoors.

Fungus thrives in dim light and humid environments, especially in areas with very little airflow.

White spots on the lower leaf can be a warning signal. The white, irregular areas of fluff can spread quickly, and then merge into one mass. The spread is assisted by high temperatures during the daytime that are 70 degrees Fahrenheit (21degC).

All of the leaf is covered with an incredibly tiny layer of white fungi, if you dont treat it. Its easy to mistake it with dust. Contrarily the white fungus will not disappear quickly after you clean the leaves.

The health of your monstera will decline and then end up dying if its infected by severe mildew on the powdered side. This is because the fungus completely overshadow your plants leaves, which prevents photosynthesis.

The monsteras stems, buds and other components could form white patches of powdery fungi.

monstera leaf close up

What to Do To Treat your Monstera with Powdery Mildew

If your beast is showing evidence of powdery mildew you should immediately eliminate it. The prevention of the fungus can help.

To eliminate the majority White Fungus, you can rub the leaves

If the mildews powdery isnt too severe its easy to cut off the skin affected. If your creaturea is infected, itll be able to fight it off.

A change in culture can to prevent, slow down and even treat the issues. This includes:

  • Planting your house plants
  • Then you can trim your monsters overgrown
  • Use a fan of a smaller size to increase the airflow around your monstera
  • Beware of watering your monstera from above
  • Do not wet the leaves when you are irrigating your beasta
  • Your monstera will be able to get direct, bright light
  • Not overwatering your plant

Next step, you must utilize the available home remedies to deal with your monstera. This includes:

  • Baking soda soapy solution Blend 0.5 tablespoon of non-abrasive liquid soap + 1 tablespoon horticultural oils and 1 teaspoon baking soda in one gallon of distilled water. Use it liberally each week on the tops and undersides of leaves to completely cover your beasta.
  • Milk spray - Make sure the milk is natural and free of hormones and preservatives. Mix 40 ml (about 14 OZ.) of the liquid into one gallon of water. Spray your monstera every day for a period of 7 days, until you eliminate the white fungus.

If DIY and cultural methods arent working Its time to consider chemical control. It is possible to use sulfur-containing fungicides such as potassium bicarbonate or Neem oil.

For the optimal results, you should use an all-purpose, broad-spectrum fungicide that is ready to use (Check the most current cost at Amazon right here) specifically designed to fight powdery mildew.

[2] Your Monstera Has Mealybugs

There are many other fans of the monstera. The plant could also be susceptible to insects that feed upon the leaves and create streaks of white on the monstera.

There are many monstera lover out there. Pests which feed upon the foliage of the monstera plant and leave streaks of white on your plants leaves are a different possibility.

Mealybugs could be the culprit If you see white or spots of cottony squiggles on the foliage. Insects that have white or pink soft-bodied bodies deposit soft or cottony material on the plants in which they lay eggs.

To spot mealybugs on the leaves backs Look for the insects in clusters on veins. Along with the leaves and stems, they will also gather at the joint between the leaves and stems.

The sapsuckers of insects, Mealybugs can deprive your pet of essential nutrients. But, black sooty mold can develop due to the honeydew that they release.

Other signs of a mealybug infestation are:

  • The leaves of severely affected plants begin to turn yellow, and then fall off quickly.
  • The presence of ants grazing the sweet honeydew
  • Paling or discoloration of leaves
  • Growth that is stunted or deformed

How to Remove Mealybugs from Monstera

There are numerous ways to stop mealybugs from attacking your beasta

  • Spray your monster every week with an aqueous solution that contains 1 part of 99 percent isopropyl alcohol, and 4 parts water.
  • If youre an avid gardener and prefer biological control. In this scenario, you could use natural predators such as ladybug beetles as well as parasitic lacewings and mealybug killers.
  • Spray your creature once a week with neem oil, insecticidal soap or spray of pyrethrin for chemical control.
  • Think about hosing your plant outside to remove the mealybugs from your plant.
  • You can crush them and then pick them by hand.

(Source: University of Connecticut)

[3] Nitrogen Deficiency

If the white spots on your monstera are also accompanied by yellowing leaves, theres an excellent chance that your plant is deficient in nitrogen.

The deficiency in nitrogen can be caused by different causes:

  • Your monstera is in a dark space or in low light conditions, and consequently, is unable to adequately photosynthesize.
  • The growing medium is stripped of all essential nutrients (or nitrogen, specifically)
  • Your monstera hasnt been relocated for a long time.
  • Root decay or damage to the root prevents the proper absorption of nutrients
  • The soil is dry enough for nutrients to be absorbed.
  • Poorly-drained soils that are unable to retain moisture
  • The potting mix is too watery or sloppy
  • The medium that is growing is too acidic (pH less than 4)

Whatever the cause, the appearance of white spots that are uneven on your monstera could be an indication of a nitrogen imbalance. It could be due to the absence of iron, magnesium, calcium, copper manganese, or calcium.

Other symptoms that are common to nitrogen deficiency are:

  • Leaves that are partially or totally pale
  • Leaves die and fall off early
  • Stunted growth and leaf shriveled
  • The foliage is yellow, particularly of the lower leaves

How to Fix Nitrogen Deficiency in Monstera

  • Make your own monstera by using a different growing medium in the event that the mix used for potting has been depleted of nutrients.
  • Bring your monstera to a place that it will be reflected on by indirect, bright sunlight.
  • Blend some coffee grounds into the mix of potting soil
  • Apply a nitrogen-rich fertilizer the soil, or spray it using an fertilizer foliar feed

[4] Thrips cause white spots on leaves

If you notice these odd spots on your foliage, and in the stem. If the roots appear normal, then its Thrips, for sure.

Ill also attack various areas, including systemic, witchcraft, topical and everything else you can think of.

How to Get Rid of Monstera Thrips

Its best to begin with Neem. You can then continue to make use of it as a topical. However, Id suggest you introduce it into your water to use it in a systemic way.

The need to wipe down is essential since it takes time for the effects of the system to take effect. Neem has two methods of eliminating. It first chokes due to its heavy oil.

The second reason is that neem contains the active component that can interfere in the development of the animal and causes the critters death. This is particularly true when the neem is pressed cold and not extracted with hexane.

If animals eat plants, they get poisoned by the neem that is in the soil, which is absorbed by roots of the plant. The meal of neem seeds (ground seeds of neem) is an ingredient.

It has the look of instant coffee. Be careful not to drink excessive amounts of it! The growth of mold can be in huge amounts. Learn by observing my own mistakes!

[5] Your Monstera Has White Mold (Saprophytic Fungus)

The saprophytic fungus which causes the white mold that appears on monsteras is completely safe to use.

Your white patches on the plants could transform into a powdery mildew-like cover, and youll likely believe its powdery mildew.

In the majority of cases, irrigation water splashes onto the stems and leaves and propagates this fungus that is borne by soil. In the event that youve underwatered your plant, the white mold could be visible in the surface of your soil.

Its everything about the information that white mold can tell us about the mistakes you made in your care. Theres a good possibility that you placed your frog in a moist, stale or in a dark, dim environment.

Additionally the white mold can hinder photosynthesis and challenge the beasta to get nutrients from the soil. In the end, your plants leaves could change color to yellow.

How to Remove White Mold on your Monstera

Take the top 1 inch of the growing medium to get rid of the majority of the spores.

Today, changes in culture can be used to control and stop the growth of mold in the future:

  • Improve lighting conditions and ensure that you get plenty of indirect, bright sunlight
  • Do not splash or wet water on the leaves.
  • Make sure you dont overwater your plants.
  • Increase air circulation around the monstera

If the growth of mold is not too severe, sprinkle an ample amount of cinnamon powder onto the medium that is growing. This helps to sterilize the soil mix.

[6] Your Monstera Has Become Sunburned

The white patches can be a typical appearance when your pet is exposed to excessive direct sunlight. Sunburn may also cause other signs like:

  • Bleach, bleached, or even white foliage
  • Edges and tips of brown leaf
  • Leaves become yellow and darken.
  • Wilted and droopy

How to Treat Sunburned Monstera

  • Then, you need to move your beast far from the direct sun
  • Snip off the parts that have been burned by intense sun.
  • Water your monstera accordingly

[7] Edema

Edema is the main reason for the dry white spots that appear on the leaves undersides. If your monstera is able to absorb much more fluid than it needs or loses via transpiration and transpiration, youll notice this.

In the beginning the first stages, water-soaked bumps or blisters on the underside of leaves can be a typical symptom. The spots can appear white when they shrink and become dry.

They will then fade and disappear, giving the leaves a spray-painted look. The leaves may be able to be able to fall off due to.

How to Treat Edema in Monstera Plants

Incorrect watering practices cause nearly every edema case. Examine if youve excessively watered your plant or if your soil has poor drainage. It may be necessary to repotte your monstera.



Went from an inexperienced gardener to a half-decent one over 10+ years. I cover anything from general indoor plant guides and lawn care, to succulents and flowers. Super happy to share my tips and tricks with you :)