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5 causes of leaf burn on your plants - prevention and solutions

The health of our plants is essential to creating a harmonious and soothing indoor environment. Leaf burn is a common problem that can affect the aesthetics and vitality of your plants. Understanding the causes of this phenomenon and knowing how to prevent it is crucial to keeping your plants in tip-top shape.

Ficus Lyrata - example of leaf scorch

What is leaf burn?

Leaf scorch is the appearance of white spots or dry, light-brown areas on leaves. These marks often appear at random, indicating that the plant is under environmental or cultural stress.

Main causes of leaf burn

1. Sunburn

Most houseplants do not appreciate direct exposure to the sun. Intense light, especially during the hottest hours of the day in summer or spring, can cause leaf damage.

  • Symptoms: Yellowing leaves, burnt spots.
  • Solution: Move the plant to an area with indirect or filtered light. Use curtains or blinds to reduce sunlight.

2. Fertilizer burn

Too much fertilizer can be harmful to your plants. A high concentration of nutrient salts can burn the roots and manifest as leaf scorch.

  • Symptoms: Browned leaf edges, slower growth.
  • Solution: Dilute fertilizer as recommended and space out fertilizations. In the event of over-fertilization, rinse the soil with clear water.

3. Lack or excess of water

Dehydration or excess water can cause water stress, leading to leaf scorch.

  • Symptoms: Wilted leaves, brown spots.
  • Solution: Adjust watering frequency to suit specific plant needs and environmental conditions.

4. Chemicals and pollutants

Inappropriate use of pesticides, cleaning products or exposure to pollutants can cause leaf burn.

  • Symptoms: Irregular spots, discoloration.
  • Solution: Use natural or organic products and avoid spraying chemicals directly onto leaves.

5. Diseases and pests

Certain fungal and bacterial diseases, as well as insect pests, can cause burn-like damage.

  • Symptoms: Spots with halos, presence of parasites.
  • Solution: Treat with appropriate fungicides or insecticides and isolate the affected plant to prevent spread.

How to prevent leaf burn?

Choosing the right location

  • Suitable lighting: Place your plants in an area with the right light for their needs.
  • Climate control: Maintain optimum humidity and temperature.

Reasoned Use of Fertilizers

  • Correct fertilizer dosage: Follow the manufacturer's instructions.
  • Organic fertilizers: Prefer them for slow release of nutrients.

Proper Care

  • Regular Watering: Adjust according to season and plant type.
  • Pest monitoring: Inspect leaves and stem regularly.
  • Leaf cleaning: Remove dust to promote photosynthesis.

What to do in case of leaf burn?

Pruning damaged areas

  • Prudent pruning: Remove affected leaves or parts to encourage new growth.

Adjust Growing Conditions

  • Change Environment: Change location or adjust care.
  • Hydration: Make sure the plant receives the right amount of water.

Specific treatments

  • Suitable products: Use natural or chemical remedies if necessary.
  • Expert advice: If in doubt, consult a horticultural professional.

Conclusion

Leaf scorch is a warning sign that your plant needs attention. By being attentive to your plants' needs and providing them with appropriate care, you can prevent these problems and ensure that they flourish. Observe your plants regularly, adjust your cultivation methods, and they'll reward you with beauty and vitality. By caring for your plants and understanding the signals they send you, you'll create a healthy, lush environment. Remember: plants are like us- they need attention and care to thrive.

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