Rotala Rotundifolia slow growth rate - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 07-23-2020, 03:12 PM Thread Starter
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Rotala Rotundifolia slow growth rate

Hi all!

I currently have a 20gal high tech tank that is pretty heavily planted. It has been fully planted since the end of March.

The planting is as follows:
Rotala sp. Green
Rotala Rotundifolia
Rotala Colorata
Juncus Repens
Lilaeopsis Mauritiana
Eleocharis Belem
Anubias Nana Petite
Hygrophila Pinnatifida
Cryptocoryne "Green gecko"

I am having great success with every plant except the rotundifolia. I have had to trim all the stems several times as they reach the top of the tank, but the rotundifolia grows soooo slowly. I had these in a planted tank a few years ago and they took of like weeds. I even get a consistent 1-2 new leaves on all 12 anubias plants every week.

Does anyone have any idea what is going on? It just seems odd that only one of three rotala species are exhibiting this behavior.

Thanks for any help that anyone can provide!
Austin
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post #2 of 3 (permalink) Old 07-23-2020, 04:49 PM
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Unlike other Rotala species it is relatively undemanding, although it needs good light to produce red leaves.
It forms side shoots willingly, becoming compact and bushy. This also means that it is hard for light to reach the lower leaves, so the plant should be pruned frequently. Also known as Rotala indica.

Medium grow rate
Specific paramaters

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post #3 of 3 (permalink) Old 07-24-2020, 01:33 PM Thread Starter
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Thank you for the reply! I just find it odd that the Rotala Colorata and Rotala Green, which I believe are variants of the Rotundifolia, have such dramatically different growth rates. Both of the other plants grow like weeds, but the Rotundifolia just sits there. I will try pruning to see if that will kick start the growth (not sure if it works this way). I will try to update just so there is closure for anyone that ever stumbles upon this thread!
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