Crocodile Fern Plant Guide: Everything You Need To Know In 2023

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Microsorum Musifolium "Crocodile Fern" Care Guide Vivarium Plants in


Welcome to our comprehensive guide on the crocodile fern plant! Whether you are a beginner or an experienced plant enthusiast, this article will provide you with all the information you need to successfully care for and grow this unique fern. Read on to discover the fascinating characteristics of the crocodile fern and learn how to create the perfect environment for it to thrive in your home or garden.

What is a Crocodile Fern?

The crocodile fern, scientifically known as Microsorum musifolium ‘Crocodyllus’, is a stunning plant native to tropical rainforests. It gets its name from the texture of its leaves, which resemble the skin of a crocodile. This fern is known for its attractive green foliage with wavy edges, making it a popular choice among plant enthusiasts looking to add a touch of uniqueness to their collection.

Light and Temperature Requirements

The crocodile fern thrives in bright, indirect light. It prefers an eastern or northern exposure where it can receive filtered sunlight. Avoid placing it in direct sunlight as this can scorch its delicate leaves. In terms of temperature, this fern prefers a warm and humid environment. Ideally, keep it in a room with temperatures between 65-80°F (18-27°C).

Watering and Humidity

Proper watering is crucial for the health of your crocodile fern. Keep the soil consistently moist but not soggy. It’s best to water the plant when the top inch of soil feels dry to the touch. Additionally, this fern thrives in high humidity levels. Mist the foliage regularly or place a tray filled with water near the plant to increase humidity.

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Soil and Fertilizer

The crocodile fern prefers well-draining soil that retains moisture. A mix of peat moss, perlite, and potting soil works well for this plant. When it comes to fertilizing, use a balanced liquid fertilizer once a month during the growing season. Dilute the fertilizer to half the recommended strength to prevent burning the fern’s roots.


There are two common methods for propagating crocodile ferns: division and spore propagation. Division involves separating the plant into smaller sections and replanting them in separate pots. Spore propagation requires patience, as it involves collecting and sowing spores to grow new ferns. Both methods can be successful with proper care and attention.

Pests and Diseases

While the crocodile fern is generally a resilient plant, it can still fall victim to pests such as mealybugs and scale insects. Regularly inspect your plant for any signs of infestation, such as sticky residue or discolored leaves. Treat any pests promptly with insecticidal soap or neem oil. Additionally, ensure proper air circulation and avoid overwatering to prevent fungal diseases.

Common Problems

If you notice your crocodile fern’s leaves turning yellow or brown, it could be a sign of overwatering or underwatering. Adjust your watering routine accordingly to restore the plant’s health. Curling or wilting leaves could indicate a lack of humidity, so increase misting or humidity levels in the plant’s environment. Regularly dust the leaves to keep them clean and free from debris.


The crocodile fern is a unique and captivating plant that can add a touch of exotic beauty to your indoor or outdoor space. By following the care tips outlined in this guide, you can create the perfect environment for your fern to flourish. Remember to provide it with the right amount of light, water, and humidity, and you’ll be rewarded with stunning foliage and a thriving plant that will be the envy of any plant lover.

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