Why Anthurium Leaves Have Brown Spots

Anthurium is one of the most common houseplants. Many people love them because they are easy to care for and grow! While plants are essentially a part of our garden or interior decor, these days they are also part of interior design. Anthurium looks beautiful when placed in a corner near a window. They also look beautiful in your patio garden.

However, one of the problems that anthurium plant owners face is the brown spots on the leaves! Leaf spot, or leaf blight, is caused by bacteria that infect leaves. But nutrient deficiencies and too much sunlight can also cause Anthurium Leaves have brown spots.

Let’s take a look at how to solve these problems and make Anthurium healthy again:

Whether it’s bacterial disease or nutritional deficiencies, early detection of the cause can cure it! If the brown spots are small and limited to the leaves, it’s not too late to save the plant. Let’s look at the symptoms of bacterial leaf spot.

Why are my Anthurium leaves have brown?

Here are the possible causes of brown leaves on anthurium houseplants:

1. Overexposure to direct sunlight

The native habitat of anthurium plants is tropical forests. The area receives filtered sunlight thanks to the tropical forest canopy. Indirect sunlight allows tropical plants to thrive.

Direct sunlight happens to be the main reason why anthurium leaves turn brown. The intense heat of the sun can damage the leaves of plants, causing brown spots or spots.

Due to prolonged exposure to the leaves, the most affected part is the top area. Leaf browning starts as a small spot at the tip and edges and then spreads.
Check where your houseplants are in your home. If placed in direct sunlight, try repositioning to protect plant health.

Anthurium plants thrive in bright sunlight. However, the light should be filtered to avoid heat burns to the leaves. Consider growing this tropical plant in bright indirect sunlight.

Fixing lighting issues that cause anthurium plants to have brown leaves is pretty easy. We recommend planting plants near windows where they receive bright indirect sunlight.

2. Natural Aging of Anthurium 

Has your factory been around for a while? The leaves can only age naturally! Old growth, especially near the base of the plant, will naturally fade and shed to provide energy for new growth. If leaves or flowers wilt or turn yellow or brown, trim them off with sharp scissors to ensure the plant uses more energy to maintain its healthy growth.

The rapid yellowing and browning of anthurium is also known as “leaf blight.” If your plant is deteriorating rapidly and your entire plant may experience one of the following problems – Anthurium Leaves have brown

3. Overwhelming pressure

Tropical plants like anthurium prefer moderate humidity to thrive. Too much moisture can automatically damage your health in the long run.

Overwatering is another common stressor that can cause anthurium leaves to turn brown. This is the main mistake novice and professional gardeners make when growing houseplants.

Anthurium leaves turn yellow and later brown. These successive leaf problems can kill your anthurium plants if not corrected at the right time.

Overwatering occurs when gardeners grow houseplants in poor-quality potting soil. Poorly ventilated pots can lead to stagnant and stagnant water in the pot.
The rule of thumb is to check the moisture level in the soil by inserting the index number about two to three inches. If the soil is dry, consider watering the plants up to par.

Overwatering can cause root rot, and the problem can prevent plants from getting essential nutrients. Damaged roots cause the plant to wilt and turn brown.

Your best bet is to replant your plants as early as possible. Always inspect the root system and use sterile scissors to cut off damaged parts of the root.

Use clean pots and a fresh mix to grow anthurium plants. Place plants in an area that receives bright indirect light and follow a strict watering schedule.

4. Over-fertilization problem

Most houseplants require less fertilizer for perfect growth and health. Due to intense competition from higher plants, these tropical plants obtain moderate nutrients from their natural habitat.

Always provide Anthurium with everything they need to grow and stay healthy. This is the best way to avoid problems with anthurium leaves such as browning or yellowing.

Fertilizing too much can lead to excess salt around the root system. Remember that too much salt is toxic to the leaves and roots of plants.

Some of the most common signs of overfeeding are brown leaf tips and brown leaf spots. Excessive salt accumulation can also lead to stunted growth and damaged roots.

If you are fertilizing your anthurium every week and the leaves are turning brown, consider stopping immediately.

We recommend flushing the soil or replanting the plant. Here are two proven strategies for saving your houseplants in the long run.

5. Low humidity

Anthurium is a tropical plant that thrives in high humidity. Such growing conditions make the leaves glow and look beautiful.

Low humidity can cause many changes in Anthurium Leaves have brown. Some anthurium varieties lose their luster and glossy appearance.

Brown leaf tips and edges are a major sign of low humidity. Indoor conditions are more susceptible to fluctuations in winter than in summer.

Winter is when everyone wants to keep warm. Turning on the heater to increase the indoor temperature can damage the health of your plants.

I recommend that you monitor the humidity in your home year-round. This is the best option for protecting your houseplants from low humidity.

6. Underwater pressure

Many gardeners have day jobs and other errands to consider. These two problems keep them busy all day, too busy to take care of other things.

Insufficient water supply for anthurium can cause the leaves to turn brown. In this case, the older leaves are most affected and eventually fall off the plant.

Keep in mind that underwater pressure can also endanger young leaves. These young leaves develop brown tips and edges.

Anthurium is a species that is severely affected by underwater exposure. The upper leaf surfaces of this species are often curled to conserve moisture.

Press your index finger to check the ground. Dry soil is an indicator of excess light and water stress.
Develop a routine for checking the moisture levels of indoor plants. We recommend checking the soil every two weeks to avoid browning of anthurium leaves.

Water the plant properly and keep it under control. Avoid growing houseplants in moist soil, as this can lead to other problems, such as root rot.

7. Old leaves

Lower Anthurium Leaves have brown are prone to browning due to aging issues. You don’t need to worry as this is normal. However, it would be a problem if the subsequent leaves appeared immediately.

Check growing conditions to make sure it’s old leaves tan. It will save you the trouble of restoring your facility.

8. Adapt

Novice gardeners experience a lot of heartbreak when growing houseplants. Browning and yellowing of leaves is the most common problem they face.

However, this is normal as the new system just got used to it. In this case, the brown leaves of anthurium are not so bad.

Make sure current growing conditions are perfect and your anthurium will adapt over time. But the lower leaves turn yellow to brown and fall off.

Remember to buy anthurium plants from reputable sellers to minimize problems when you bring them home. Indoor plants take little time to get used to.


How to Save Anthurium Plant with Brown Leaves

Anthurium houseplant is super to maintain. If you can detect the brown leaves at the early stages, it will easy to save the houseplant.

Below are some quick tips on how to save anthurium houseplant with brown leaves:

  • Cut-off Infected Leaves
  • Keep Anthurium in Indirect Sunlight
  • Fertilize the Anthurium Plant
  • Follow a Strict Watering Schedule
  • Treat Your Anthurium with isopropyl alcohol

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How do you treat bacterial leaf blight?

When the whole plant is infected, you have to destroy the plant! This will prevent further spread of the disease to other plants. Only when the leaves are infected, a so-called leaf infection, can the plant be preserved. This is because the bacteria have not yet entered the vascular system.

The best way is to remove and burn the infected leaves! Instead of cutting with scissors, snap off the petioles near the leaves. This prevents the bacteria from spreading further.

Solution Anthurium Leaves have brown:

What you can do about it:

  • Place your plants in a low-sun area of ​​your home, or block some light with sheer curtains.
  • To prevent this problem, many anthurium owners use a controlled-release fertilizer, but if your leaves have turned brown, you may need to use a liquid fertilizer for a few weeks until your plants recover. Just don’t forget to dilute the liquid fertilizer to 25% of the recommended concentration.
  • The leaves will eventually fall off on their own, but if you want to remove dead or dying leaves to improve the appearance of your anthurium, make sure you’re using clean and sanitized pruning shears.
  • At this point, it is best to replant the anthurium with fresh potting soil and thoroughly trim the diseased parts of the plant with clean pruning shears. Going forward, make sure your anthuriums are getting the right amount of water – our recommendation is to drink six ice cubes or half a glass of water once a week. Just make sure the soil dries out between waterings.

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