Cyperus helferi

[ample]

Please chime in with your experiences with this plant. I want to get some badly but have heard it can be finicky even for very experienced hobbyists. It seems like a pretty ideal plant once established, but can struggle to transition from emersed form and that’s pretty much the only way it’s available besides tissue culture.

 

[Naturescapes_Rocco]

Can struggle to transition from emersed form and that’s pretty much the only way it’s available besides tissue culture.

This is the #1 issue, I think.

I've used this plant in multiple layouts:






The tissue culture versions suck; I highly recommend against them. They will take FOREVER to grow.

The emersed forms... also suck. Cyperus Helferi is a MAGNET for algae, especially BBA . It's a slow grower, nowhere near as aggressive as Vals or Crypt grass-like species.

If you plan to plant emersed plants, you should pre-remove all but 3-4 leaves from the center rosette. The old leaves of this plant are truly some of the worst algae-magnets I've ever seen. I've actually been known to plant entire bunches, then once they start putting out actual submerged growth, I'll uproot the entire plant, trim the outermost emersed leaves (leaving just the submerged growth), then replant -- just to get rid of the horrible emersed leaves.

The emersed growth will look great for 2-4 weeks, then start to cause major algae headaches and begin decaying underwater.

ONCE the plant get established underwater with true submerged growth (usually takes 2-4 months), AND you have trimmed or removed every single emersed leaf that it came with, then it can finally take off with algae-free growth.

It's a terribly slow grower, but the good news is that it doesn't send runners anywhere, so you don't have to worry about it spreading. IF you can get it that far to begin with...

I'd recommend using Vallisneria species instead, however, they will put out tons of runners. If you don't mind trimming the runners every 2-3 weeks, they can grow fast and are much more algae-resistant.

Other helferi-replacement options:

• Crypt spiralis (good for 60cm tanks or less, spreads super slowly)
• Crypt var balansae (gets huge, has crinkly leaves, spreads super slowly)
• Helanthium bolivianum "angustifolius" (spreads fast, but not as fast as Vals?)
• Isoetes lacustris (doesn't really spread much, hard to find)

Long story short: C helferi is actually a somewhat difficult plant. Tissue cultures can struggle to establish, and 99% of what is sold is grown emersed.
Emersed growth is stubborn -- looks great at first, but becomes insane algae magnet.
New submerged growth is much smaller and shorter than emersed growth, and takes forever to come in.
Fluctuating nutrient levels or CO2 issues will cause algae growth even on healthy submerged leaves.

It doesn't spread via runners, though.

 

[ample]

I appreciate all the tips. It looks incredible in your tanks. I might take all your advice and try to get some once my tank is more dialed in. Where did you source yours?

My tank is also small so I definitely want to stay away from the aggressive spreaders.

 

[Naturescapes_Rocco]

The C helferi in the first "river" tank above was purchased from Buceplant. The large amount in the second tank was from a LFS (Aqua Imports Boulder).

 

[ample]

Reviving this thread. I found a listing on Etsy and confirmed with the seller that it was grown submerged. I received the plants today and they were in okay condition. Trimmed all of the brown slimy outer leaves before planting. The center leaves are very fine and stiff, almost woody. The outer leaves are flat grass blades as expected. Is that normal? It does appear to have been grown submerged since the leaves don’t have any waxy cuticle or anything.

 

[Naturescapes_Rocco]

So I can say with high certainty that those are definitely emerged grown. Cyprus has different growth submerged vs emerged; those tall skinny hard "stalks" don't exist with submerged growth.

If it were me, I would trim as many leaves, as I possibly can, genuinely leaving only a handful of the freshest inner leaves, and make sure to remove any of those hard stalks.

It truly is not the most beginner, friendly plant, but if you can genuinely get it established without algae with true submerged growth, and stay on top of removing the algae-prone emersed growth, it will be great!

 

[ample]

Dang that is super annoying. I wouldn’t have purchased if I had known they were emersed. I messaged the seller directly before purchasing and she said they were submerged. I’ll go in and trim the hard stalks. Thanks

 

[Capraquaria]

I intend to use it in my current build. Having seen this thread before I purchased, I did buy emerged Cyperus, rather than TC. However, because my tank is deep and tricky to reach (short people problems), I have chosen, instead, to 'convert' my Cyperus in my plant holding tank where it is easier for me to maintain while it converts to submerged growth. In fact, yesterday, the plants I am holding finally got a serious haircut of the outer, oldest leaves, which were looking a bit algaefied. However the inner crowns have about 3-4 inches of new bright green growth. As I have no livestock in that tank, I was cranking the CO2 a bit, and the ferts, and so far it seems to be converting ok, but yeesh those older leaves were a nasty mess.

 

[TheWetScape]

I have it and purchased emersed form off of Etsy. I pumped it with high co2 before I added fish to the scape I have it in and it took an absolute eternity to convert lol but once it did, my goodness is it WORTH it. It’s extremely slow to grow but I planted 3, and in 8ish months I got 5 new plants from it which was quite the battle to remove lol. It’s a beautiful plant, one of my favorites for creating a sense of flow. Try it and see how it goes, also heavy root tabs can help.

 

[Koan]

purchased emersed form off of Etsy

Feel free to link to that seller, if you felt like it was a good quality plant!