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Myriophyllim Guyana shortage

Joined
Jun 17, 2025
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United Kingdom
Not sure whether other jurisdictions are affected, but here in the UK, there has been a shortage of myriophyllum guyana for some time. I initially thought that this was merely a localised issue - import costs due to Brexit, etc., but a recent post on the UKAPS forum indicated that Tropica no longer sells this plant.

At this point, I am wondering whether there are some inherent issues with the tissue cultures of this plant, or is it simply due to a lack of demand. I had this plant in the past, and had no problems growing it even without CO2. However, my most recent purchase (a year ago), the tissue culture had trouble adapting to an immersed conditions, even though there was strong lighting and CO2.

I haven't seen any sellers having this in stock for a long while so would be interesting to see if others have the same experience.

 
I see it available from several US sellers in Tropica 1-2 grow cups and there are several sellers on Etsy selling it. Not sure if Etsy sellers ship to UK.
Could be old stock as the poster at UKAPS says that Tropica has stopped selling them. I have enquired with Dennerle and they have confirmed that they are no longer stocking it as well.
 
@SkaleyAquatics what a shame if that is indeed the case. We will be stuck with either the ADA tissue culture or buying it off hobbyists.
Its a great looking plant. The one time I tried it though, it melted pretty much instantly on me. I'd like to try it again but the myriophyllum's ive tried besides roriama have not done well for me. Which has made me a bit hesitant on it.
 
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