Azolla Plant : Complete Guide And Care Tips

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The Azolla Plant: A Complete Guide and Care Tips


Gardening is not just about planting beautiful flowers and watching them grow.

It’s also about nurturing plants, understanding their needs, and providing the best possible care to help them thrive.

One such plant that has gained immense popularity in recent years is the Azolla plant.

This aquatic fern is not only easy to care for but also has numerous benefits that make it a must-have in your garden.

What is an Azolla Plant?

Azolla, commonly known as mosquito fern or water velvet, is a small aquatic fern that floats on the surface of still waters like ponds or aquariums.

It belongs to the family Salviniaceae and is considered one of the oldest plants on earth, dating back over 400 million years.

The Benefits of Growing Azolla Plants

  • A natural nitrogen fixer – Azolla contains a blue-green algae called Anabaena which fixes atmospheric nitrogen into ammonia used by plants as fertilizer.
  • Controls algae growth – The dense layer of azolla floating on the water surface prevents sunlight from reaching below which suppresses growth of other unwanted organisms like algae.
  • Reduces chemical use – Since azolla provides natural nutrients needed by other aquatic plants grown alongside it, there’s no need for synthetic fertilizers reducing chemicals in our environment.
  • Sustainable animal feed – Livestock can consume azolla harvested from aquaponic systems as fodder with high protein content making it an alternative to traditional feed sources like soybean meal or fishmeal which take up valuable resources during production.

Care Tips for Growing Azolla Plants


Growing Conditions

Azolla prefers still waters with pH ranging from 6.5 to 7.5, and temperatures between 25°C to 30°C, which is typical of tropical and subtropical regions worldwide.

The plant can tolerate lower temperatures but growth slows down as a result.


The easiest way to propagate azolla is by splitting healthy plants into smaller pieces or harvesting mature fronds from the surface of the water body.

Always ensure that you select only healthy-looking plants for propagation.


Since Azolla brings its own nutrients into the system, it doesn’t require much fertilization beyond occasional supplementation with iron and trace minerals.

Pest and Disease Control

  • While Azolla rarely experiences pest problems, sometimes it may attract insects like midges or mosquitoes that lay eggs on its leaves leading to their death in large numbers – this can be mitigated by introducing predator fish species such as mosquito fish (Gambusia affinis)


In Conclusion

Gardening enthusiasts are increasingly incorporating Azolla in their aquatic gardens due to its multiple benefits including being natural nitrogen fixer, controlling algae growth, reducing chemical use and providing sustainable animal feed.

With these care tips in mind you will be equipped with knowledge needed for growing this amazing plant successfully!

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