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Old 03-03-2023, 07:11 AM   #3 (permalink)
cincinnana
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Default Re: Corm refusing to grow

Quote:
Originally Posted by maltose View Post
Hello,

I split a small basjoo sword sucker from a large mother plant last fall when I dug up the main corm to overwinter in my basement.

The corm is about the size of a potato. The top slowly shriveled back over the winter as it was stored in in the basement in loose potting soil at about ~55 degrees F and low-light conditions, which I expected.

I potted it in a 1-gallon pot with fresh potting soil in mid-January and brought it into my grow tent, where I maintain 82 degree temps during the day with high humidity and ~68 degrees at night. I have kept the soil damp. The corm hasn't grown at all in 6 weeks, and the small pseudostem has only continued to shrivel up.

I pulled it up out of the soil to investigate a few days ago. The corm appears totally healthy, it is firm on all sides and doesn't appear to have any rot. The meristem seems perfectly fine too. It hasn't put out any new roots whatsoever in the last 6 weeks despite optimal conditions.

Why would this corm refuse to grow like this? What should I do to get it going? I'm thinking of rinsing it off and trimming off the little bits of dry roots from last fall and just sticking it back in the 1 gallon but I'm just really surprised it's done nothing for so long despite seeming healthy.
You're doing everything right it just requires more time to sort itself out.
My plants/swords do the same with many not showing growth for 4 months indoors.

You may try this if you wish.
Bring your average soil temperature up to 80+ and keep it there without any temperature swing and see if that moves things along . You won't know for another month or so if that helps. A consistent SOIL temperature is what your plant is looking for. Your current average air temperature of 75 isn't enough to encourage growth for that particular plant.
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Last edited by cincinnana : 03-03-2023 at 07:22 AM. Reason: tipo
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