Sempervivum forum: Sempervivum Water Propagation

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Name: Chad
Oklahoma (Zone 7b)
Region: Oklahoma Sempervivums Plant Lover: Loves 'em all! Bulbs Enjoys or suffers hot summers The WITWIT Badge
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chadu82
May 13, 2018 6:33 PM CST
I was watching YouTube videos and doing some research on the Internet and thought I'd give it a try. I used a few of my semps making sure I was able to get clean leaf removals and put slots through the plastic wrap which I then inserted each leaf through. I filled the mason jar all the way to the top leaving about an inch from the leaves. I did this a few weeks ago and have been meaning to toss them out because they were starting to look so bad. I don't know if I would say it was successful since only 8 rooted and about 30 perished. Plus I think those 8 came from the same semp. I tried about 4 different ones and wished I would've taken better notes, lol.

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Now on to the next steps to see if I can keep them alive. Crossing Fingers!
Name: Mark McDonough
Massachusetts (Zone 5a)
Region: Massachusetts Enjoys or suffers cold winters Garden Procrastinator Native Plants and Wildflowers Garden Photography Foliage Fan
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AntMan01
May 13, 2018 6:51 PM CST
Interesting. It might be worth exploring propagation from individual leaves using a different medium than water. What might work at higher percentage is to attempt rooting in a breathable yet moisture retentive medium such as coir, I bought a couple inexpensive bags as Lowe's a couple weeks back. If semp leaves are willing to root at the heal of leaf base (not a cut leaf base, but a leaf that is gently detached intact via wriggling a healthy leaf side to side), treat with rooting compound, and insert base of leaves shallowly into moist coir medium. If they do root, I wonder how it can start reforming a rosette. Wonder if that might work with heuffelii.
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Name: Chad
Oklahoma (Zone 7b)
Region: Oklahoma Sempervivums Plant Lover: Loves 'em all! Bulbs Enjoys or suffers hot summers The WITWIT Badge
Hostas
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chadu82
May 13, 2018 7:06 PM CST
That's interesting Mark. I might have to try that in the future. As far as heuffelii go, I don't have any of those to try.

I do think if it starts forming a new rosette, it will form close to where the roots are. I've had some leaves that I didn't clean out of my wash tubs in the past and I had one growing right by where it was removed. It was laying on the rocks close to the soil and I just happened to notice it growing one day. I didn't really keep up with it and I can't remember if it survived or not.
Name: Lynn
Dallas, OR (Zone 8b)
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valleylynn
May 13, 2018 7:38 PM CST

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Wow, this is very interesting Chad. I look forward to seeing rosettes form.
Name: Greg Colucci
Seattle WA (Zone 8b)
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gg5
May 14, 2018 12:01 AM CST
Chad, Mark et al - my best result for leaf propagation is taking a leaf from near the outside of the rosette, trying to get a bit of the stem cells, propping up the leaf in the soil/chicken grit. Keeping this in shade, spray misting at least once per day, and after a week or so there are roots, this can then be planted, but still in shade, and watering a little more than other semps. I've had good success with any of the semps that are already fast growing.
But this water thing is interesting Chad, thanks for posting Thumbs up

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