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Getting Pearlweed to Grow Vertically On Purpose?

3669 Views 10 Replies 5 Participants Last post by  moke
I just finally got in the pearlweed I ordered three weeks ago to finish planting the rescape on my 20g nano. I've planted it in individual stems roughly an inch apart all along the back sides of the tank behind my driftwood.

I'm so excited to finally have all the plants in after a month of waiting & working on the tank (mostly waiting for online orders to trickle in), and pearlweed is one of the new species I've never actually tried before. The CO2 arrives tomorrow, so I'll be setting that up over the weekend so I can keep an eye on it the first day it runs.

How do I get my pearlweed go grow up, instead of turning into a carpet? The little stems seem prone to going sideways and rooting down horizontally, but I want it to form a nice, tall, fluffy bush, about 10" high, to fill in the background of the tank.

I've seen it done in pictures, but all the growing/care instructions I found online say "it can be grown both as a tall stem or as a carpet", and then proceed to tell me how to trim it flat to look like monte carlo.
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you mean like this? View attachment 1025425

i replied to an earlier thread you posted about getting the beamswork da fspec for your20h. i have the same set up. this stand of hemianthus glomeratus was started 7 weeks ago after it lifted up entirely from the substrate (which it inevitably does). planted 3-4 stems set 1/2-3/4" apart, about 1" exposed. started beamswork at 85% for first 3 weeks, currently at 80%; light is 11" from the substrate. photoperiod is 6h 45m. lean dosing of 3-1.5-12 weekly. 3 year old dirt substrate. did first trimming after 4 weeks.
Holy crap! What are your water parameters? I’ve literally had my pearl weed for over a month in a high tech and it’s not growing nearly as fast as I was hoping at all :(

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