Propagation forum: Rooting Crown of Thorn cuttings?

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Name: Frenchy
Falls Church, VA (Zone 7b)
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Frenchy21
Feb 24, 2018 12:12 PM CST
I would like to cut back the long stems from my Crown of Thorns (Euphorbia milii). If possible, what is the best way to root them? Thank you.


Thumb of 2018-02-24/Frenchy21/c78e76 See red lines where I want to cut them

Name: Baja
Baja California (Zone 11b)
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Baja_Costero
Feb 24, 2018 12:34 PM CST
They should be very easy to root. Just avoid touching the sap when you take the cuttings. Wait a few days afterwards (or not, as you like) and then pot up in fast draining soil (like 50% pumice/perlite/whatever). Wait a week to water. Then water when dry or nearly dry. You will get the most compact growth and long-term stability with strong light indoors, like hours of daily sun.

I don't think you're going to get great results starting with ultra long stems, just as a matter of stability. My own preference would be to start small with the cuttings, then let them grow to size in their new container. You can definitely root a long cutting, that is not an issue.
[Last edited by Baja_Costero - Feb 24, 2018 12:51 PM (+)]
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Name: Karen
NM (Zone 7b)
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plantmanager
Feb 24, 2018 12:37 PM CST
I agree with Baja. They're very easy to root and the cuttings will grow quickly. I have better luck with cuttings no longer than 5 to 6 inches. I am very sparing with the water until I see active growth.
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Name: Frenchy
Falls Church, VA (Zone 7b)
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Frenchy21
Feb 24, 2018 12:50 PM CST
Thank you @plantmanager Karen and @Baja_Costero for the great suggestions and info. Smiling I will shorten the stems that will be rooted. Don't want the long bare stems so will cut them away- and thanks for the reminder about the sap. Thumbs up I know it drips everywhere and can be very irritating to the skin.
Name: Laurie b
Western Washington (Zone 7b)
Houseplants Region: Pacific Northwest Sedums Orchids Tropicals Region: Mexico
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lauriebasler
Feb 26, 2018 2:02 AM CST
Couldn't Frenchy get several cuttings from each long stem? Curious!
Name: Baja
Baja California (Zone 11b)
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Baja_Costero
Feb 26, 2018 9:18 AM CST
By all means try anything, but I have never attempted to root a cutting that didn't have the leafy end attached.
Name: Frenchy
Falls Church, VA (Zone 7b)
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Frenchy21
Feb 27, 2018 12:16 AM CST
I could certainly try rooting several cuttings from a long stem. It would be a fun experiment. Crossing Fingers!
Name: tarev
San Joaquin County, CA (Zone 9b)
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tarev
Feb 27, 2018 11:53 AM CST
Hello Frenchy, yes you can root the cutting with or without leaves, just make sure to callus it well before sticking in well draining soil. But be mindful of the seasons, I would prefer to do the cutting towards Spring when weather is warming up more. It is a Euphorbia, and it likes being warm and with lots of light access. As a cutting, position first in a bright light, part shade area. Once you do see leaves starting to sprout, then you can gradually move it outdoors for more light. Sometimes, it may do flowers first before the leaves. Kind of like growing desert rose, blooming but still somewhat dormant, so be very mindful of watering. When temps are much hotter, then it can take more stepped up watering.



Name: Laurie b
Western Washington (Zone 7b)
Houseplants Region: Pacific Northwest Sedums Orchids Tropicals Region: Mexico
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lauriebasler
Mar 19, 2018 9:33 AM CST
Good Morning @Frenchy21:

How did the cutting turn out for you. My Crown of thorns has a leggy stem that is begging to be chopped. Do you have expert advice now.

Thank you. Hope it went well.
Name: Frenchy
Falls Church, VA (Zone 7b)
Container Gardener Dog Lover Houseplants Plant Lover: Loves 'em all! Tomato Heads Hostas
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Frenchy21
Mar 19, 2018 11:26 AM CST
Hello Laurie. I have not rooted the stems yet so no, I do not have expert advice yet. Hilarious! Maybe we will try it together and compare notes. Smiling
Name: Laurie b
Western Washington (Zone 7b)
Houseplants Region: Pacific Northwest Sedums Orchids Tropicals Region: Mexico
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lauriebasler
Mar 19, 2018 9:41 PM CST
Good Morning @Frenchy21:

How did the cutting turn out for you. My Crown of thorns has a leggy stem that is begging to be chopped. Do you have expert advice now.

Thank you. Hope it went well.
Name: Laurie b
Western Washington (Zone 7b)
Houseplants Region: Pacific Northwest Sedums Orchids Tropicals Region: Mexico
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lauriebasler
Mar 19, 2018 10:05 PM CST
Sounds like fun. I will wait for your lead and we can see how we do.
Name: Frenchy
Falls Church, VA (Zone 7b)
Container Gardener Dog Lover Houseplants Plant Lover: Loves 'em all! Tomato Heads Hostas
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Frenchy21
Mar 19, 2018 10:08 PM CST
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Name: Tiffany purpleinopp
Opp, AL 🌵🌷⚘🌹🌻 (Zone 8b)
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purpleinopp
Mar 20, 2018 4:54 PM CST
I got one recently & am dying to repot it but am following my new-succulent rule, propagate before disturbance. It doesn't look like its' roots are hopelessly enmeshed in peat, but I'm not breaking my rule. Anyway, I took some cuttings a couple, maybe 3 weeks ago. All other pieces of Euphorbia plants I tried have taken root, so I have high confidence about these. They were a LOT more work than a non-thorny plant though. It took about twice as long, up to 30 seconds per stem, because I had to make a hole first. No way to plunge that kind of stem down into soil (and trying would have required gripping much harder... testing the protectiveness of my leather gloves.) The soil was pretty dry, so I didn't dry the stems first.

Best luck to our cuttings!
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