Updated: April 10, 2022

Parsley is a popular herb used in many dishes around the world. It is easy to grow and care for, making it a favorite among gardeners. However, sometimes parsley plants can develop curled leaves and eventually die. In this article, we will discuss the common causes of curled parsley plants and how to prevent them from dying.

Causes of Curled Parsley Plants

1. Lack of Water

One of the most common causes of curled parsley plants is a lack of water. Parsley plants require consistent moisture to thrive. If the soil becomes too dry, the leaves will curl up as a response to conserve water. If left untreated, the plant will eventually die.

To prevent this from happening, make sure to water your parsley plant regularly. Water deeply and frequently, especially during hot summer months. Make sure the soil is moist but not waterlogged.

2. Pests

Another common cause of curled parsley plants is pests. Aphids, spider mites, and whiteflies are common pests that attack parsley plants. These pests feed on the plant’s juices, causing the leaves to curl up and turn yellow.

To prevent pest infestations, regularly inspect your parsley plant for signs of insects. If you spot any pests, treat them with an organic insecticide or insecticidal soap. You can also use natural predators like ladybugs or lacewings to control pest populations.

3. Nutrient Deficiencies

Parsley plants require specific nutrients to grow and thrive. If your plant is lacking in any essential nutrients, it may develop curled leaves and eventually die.

Common nutrient deficiencies in parsley plants include:

  • Nitrogen deficiency: Causes yellowing leaves
  • Phosphorus deficiency: Causes slow growth and weak stems
  • Potassium deficiency: Causes curled leaves and brown spots

To prevent nutrient deficiencies, fertilize your parsley plant regularly with a balanced fertilizer. You can also amend the soil with compost to provide additional nutrients.

How to Prevent Curled Parsley Plants

Preventative measures are the best way to avoid curled parsley plants. Here are some tips to keep your parsley plant healthy and thriving:

  • Water your parsley plant regularly, especially during hot summer months
  • Inspect your parsley plant for pests regularly and treat them promptly
  • Fertilize your parsley plant with a balanced fertilizer or amend the soil with compost
  • Plant parsley in well-draining soil with plenty of organic matter
  • Provide adequate sunlight for your parsley plant

By following these tips, you can prevent curled parsley plants and keep your herb garden healthy and thriving.


Can I save my curled parsley plant?

Yes, you can save your curled parsley plant if you catch it early enough. Identify the cause of the curling leaves and take corrective action. If the plant is severely damaged, you may need to prune it back and start over.

Can I use curled parsley in cooking?

Yes, you can use curled parsley in cooking, but it may not be as flavorful as flat-leaf parsley. Curled parsley has a milder taste and is often used as a garnish or in salads.

How often should I fertilize my parsley plant?

Fertilize your parsley plant every four to six weeks during the growing season. Use a balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium.

Can I grow parsley indoors?

Yes, you can grow parsley indoors in a sunny window or under grow lights. Make sure to provide adequate water and fertilization to ensure healthy growth.

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