Tuesday, January 13, 2026

Hairgrass Aquarium Garden Update


 Hairgrass Aquarium Garden Update

Back in 2017, I started growing Hairgrass (Eleocharis acicularis) in this aquarium.

Originally, I planted the Hairgrass along the walls, leaving open space by the front for observations.


Check my previous video for more details on how I started it:



My regular viewers and subscribers may recognize this aquarium featured in multiple projects.


Here you can see Hairgrass already starting to spread along the front wall.

After a couple of months, I pull out the line of Hairgrass to clear the front view.





Use scissors to cut off the desirable part.

Hairgrass propagates by shooting out roots/runners.

Here you can see a nice string of Hairgrass I cut out.




Now, let's put the roots of the remaining Hairgrass back under the gravel.



Just for the record - the medium in this aquarium is gravel covered in waste accumulated through years (I don't change the water in my aquariums).


By the end of the season, I have to clear up the front side again.
This time, I cut the runners of Hairgrass first and then pull it out.


This way I don't disturb already planted Hairgrass.



Fish nibble on everything in aquariums occasionally, pulling out freshly planted Hairgrass.

Well-rooted Hairgrass stays in its place as it should.

Freshly grown runners make a nice bush when gathered together.


Seashells make it easy to plant bushes of hairgrass. 



In a matter of one year I have Hairgrass growing in about 3 dozens of my aquariums.

Shrimp, scuds, and small fish enjoy hairgrass in aquariums.




Here you can see Hairgrass runners grow from under the shell.


Hairgrass grow fine even in aquariums without any type of medium.

Simply anchor it with seashells.



Hairgrass grow in low light too.











I find the appearance of old, algae-covered Hairgrass in aquariums quite captivating.



Left unchecked, Hairgrass will grow quickly, covering the bottom surface of any tank.


It takes less than one year for a couple of small bushes to grow a Hairgrass carpet in any large aquarium.


Just anchor Hairgrass in the spots where you want it to grow first and let it be.


Hairgrass looks much larger than it is in small-size aquariums :)



Here is a clear view.

When it comes to growing Hairgrass in tiny nano aquariums, it may look even better if we trim it.


First I drain the water to a desirable level at which I want to mow the Hairgrass.


I use scissors for cutting and tweezers or chopsticks for removing cuttings of Hairgrass.

Trim off the leaves of Hairgrass to shape the bush the way you like, just as you would do it in the garden :)




Here is the top view.

Add water back to the normal level.

Make sure to remove all the floating cuttings - we don't want to increase waste in aquariums.


Enjoy your aquarium.




In a couple months you will have more Hairgrass.


Hairgrass is simple to grow and it looks great in any aquarium.
Have fun and happy Aquariums :)


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