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What Are The Signs Of Fertilizer Burn On Lemon Tree? (2024)


Simple Signs of Fertilizer Burn on Lemon Trees

Lemon trees are a great addition to any garden. Growing lemon trees in your garden will provide you with fresh lemons. We all use fertilizers to give important nutrients to lemon trees to harvest more lemons and improve the health of trees. Excessive fertilizing of lemon trees too much can cause fertilizer burn.

In this article, you will read signs of fertilizer burn on lemon trees, its causes, and essential tips to prevent and treat this problem effectively.

signs of fertilizer burn on lemon tree
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What is Fertilizer Burn?

Fertilizer burn is like giving too much food to a plant. The use of excessive fertilizer in a plant or tree which causes a nutritional imbalance in the tree, which results in fertilizer burn, also known as fertilizer toxicity. Although lemon trees need fertilizers to develop and stay healthy. It could be harmful to use excessive amounts or apply it incorrectly.

By the use of excessive fertilizer, your plant can even die. With appropriate watering and soil testing, fertilizer burn can be decreased and plant health in gardens, lawns, or agricultural areas can be maintained.

Signs of Fertilizer Burn on Lemon Tree

  • Leaf Discoloration

Leaf discoloration is one of the most known signs of fertilizer burn on lemon trees. The leaves may change color to yellow or brown, displaying patches or streaks of various colors. Normally, the edges of the leaves first show this yellowing, which then spreads inside.

  • Leaf Curling and Wilting

Over-fertilized lemon trees may exhibit leaf curling and wilting. The leaves may appear droopy and lack their usual turgidity. Curling may be uniform or concentrated along the leaf edges.

  • Leaf Drop

Premature leaf drop is a sign of fertilizer burn on the lemon tree; affected leaves begin to drop off the tree before their normal life cycle is complete. Leaf drop can cause substantial loss of foliage, which over time will damage the tree.

  • Brown or Yellow Spots on Leaves

Spots of brown or yellow color on the foliage are another typical indicator of fertilizer burn. The shapes of these dots may be asymmetrical, and their edges are frequently clear.

  • Slow Growth and Reduced Fruit Production

The development and fruit production of a lemon tree that has received too much fertilizer might be slowed and reduced. An excessive amount of nutrients could stop a tree from growing properly, which will reduce the overall health of the tree.

Some other Causes of Fertilizer Burn on Lemon Trees

signs of fertilizer burn on lemon tree
Image Source – Google | Image by – rawpixel|
  • Poor Soil Drainage

Insufficient soil drainage is also the cause of fertilizer burn. Salts from fertilizers might build up in the root zone when the soil doesn’t drain properly, harming the lemon tree.

  • High Salinity in Soil

Those fertilizers which contain a high salt concentration, can cause the soil’s salinity to rise. High salinity can be harmful to lemon trees and cause fertilizer burn.

Treating Fertilizer Burn

  • Flushing the Soil

Flushing treats fertilizer burn by irrigating the affected soil, effectively leaching away accumulated salts. This procedure enables the plant to recover from the negative consequences of too much fertilizer salt, restoring a better nutrient balance around the roots. Thoroughly water the area around the plant to remove the excess salts and flush the affected soil. This will also help to treat fertilizer burn.

  • Mulching

Applying organic mulch around the lemon tree’s base can control temperature and support the soil to retain moisture, which speeds up the healing process.

  • Pruning Affected Leaves

Removing severely damaged leaves through pruning can redirect the tree’s energy towards new growth and recovery.

Signs of Healthy Lemon Trees

A healthy lemon tree looks strong and vibrant. The healthy tree will produce a lot of fruit in the season and it has shiny lush green leaves. Lemon trees in good health don’t lose many leaves or have their foliage turn yellow. The branches of the lemon tree are strong and healthy. The healthy lemon tree blossoms with a pleasant scent and it grows without any issues, and bears fruit. People also trim it sometimes to keep it in shape. A healthy lemon tree grows well, looks strong, and makes lots of lemons.

signs of fertilizer burn on lemon tree
Image Source – Google | Image by – Flickr|


Lemon tree care is enjoyable, but it demands close attention to detail, particularly when it comes to fertilizer. Fertilizer burn have a negative impact on lemon tree’s health, but with safety measures, and regular care, you can keep your lemon tree thriving and bearing lots of fruit.

The signs, which include yellowing leaves, brown or burned leaf edges, and general stress, may point to an imbalance in the amount of nutrients present or inappropriate fertilizer administration. By being attentive to these signs and practicing responsible fertilization, you can enjoy the beauty and bounty of healthy lemon trees for years to come.


Q1- How often should I fertilize my lemon tree?

Ans- Fertilize your lemon tree three times a year. To encourage healthy growth use the fertilizer in the late winter, late spring, and late summer. Always read the instructions on the fertilizer before using it.

Q2- Can I use compost as a natural fertilizer for lemon trees?

Ans- Yes, Compost is a natural fertilizer that can be used on lemon plants. It provides important nutrients, enhances soil quality and encourages general plant health. Spread the compost around the base of tree.

Q3- How do I revive a severely burnt lemon tree?

Ans- To revive a severely burnt lemon tree, flush the soil with water to remove excess salts, apply suitable fertilizers in moderation, prune damaged leaves, and ensure proper care.

Q4- Can fertilizer burn to be lethal for my lemon tree?

Ans- Your lemon tree can get much weaker from fertilizer burn, making it more exposed to pests, illnesses, and environmental stress. Severe fertilizer burn may result in the tree dying if it is not treated. To prevent further harm to your lemon tree, immediate action is required.

Q5- What are the signs of a healthy lemon tree?

A healthy lemon tree has strong branches, vibrant green leaves, and an ample harvest of fruit. The lemon tree grows quickly and shows no symptoms of stress, such as leaves turning yellow.