Houseplants forum: Monstera propagation with very long aerial roots

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Berkeley, ca
Tmgeis
Apr 4, 2018 11:23 AM CST
I received a beautiful monstera cutting from a friend and am trying to propagate it in water. I am a complete novice at this, and am wondering if it's ok that its 2 very long ~20" aerial roots are sticking well out of the water (see photos). Should I cut the roots down so they are completely submerged? Any and all advice greatly appreciated. Thank you!

Thumb of 2018-04-04/Tmgeis/5b9b34
Thumb of 2018-04-04/Tmgeis/b4dfc6

[Last edited by Tmgeis - Apr 4, 2018 11:24 AM (+)]
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Name: Will Creed
NYC
Profess plant consultant & educator
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WillC
Apr 4, 2018 1:13 PM CST
Long aerial roots do not propagate as well as younger, shorter ones. Either submerge the full length of the roots in water or cut them off and let new roots emerge from the base node.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care

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misterisse
Apr 5, 2018 5:48 AM CST
I have propagated several monsteras with far longer aerial roots than that, always with success! However, i've always had the aerial roots completely submerged
Name: Gene Staver
Portage WI 53901 (Zone 5a)
Herbs Annuals Hummingbirder Butterflies Garden Photography Cactus and Succulents
Birds Cat Lover Houseplants Garden Sages
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gasrocks
Apr 5, 2018 1:10 PM CST
I know that water will work but I have always favored using some sort of very wet medium. Sand, peat moss and such. I'm thinking the new roots will later be better adapted to their new home (soil) that way. Gene
Berkeley, ca
Tmgeis
Apr 6, 2018 12:03 PM CST
WillC said:Long aerial roots do not propagate as well as younger, shorter ones. Either submerge the full length of the roots in water or cut them off and let new roots emerge from the base node.


Thank you for the reply! If I decide to cut the roots, should I just cut the one or both?
Berkeley, ca
Tmgeis
Apr 6, 2018 12:07 PM CST
misterisse said:I have propagated several monsteras with far longer aerial roots than that, always with success! However, i've always had the aerial roots completely submerged


Thank you for your reply. How did you manage to submerge the entire root? did you face the root up and therefore also submerge almost the entire stem? Or did you just find a very deep or wide bucket and have the root extending down or perpendicular to the stem? Sorry for these tedious questions -- I am worried about harming or breaking the roots by trying to wrangle them into water!
Name: Gene Staver
Portage WI 53901 (Zone 5a)
Herbs Annuals Hummingbirder Butterflies Garden Photography Cactus and Succulents
Birds Cat Lover Houseplants Garden Sages
Image
gasrocks
Apr 6, 2018 12:49 PM CST
Do not worry so much about the present roots. Bend, break them. Plant will be fine. You are after new roots not pampering the old ones. Gene
Name: Kyle
Middle TN (Zone 7a)
Region: Tennessee Plant and/or Seed Trader Cat Lover Dog Lover Roses Ferns
Hostas Foliage Fan Bromeliad Heucheras Native Plants and Wildflowers Birds
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quercusnut
Apr 9, 2018 1:07 AM CST
I rooted one by just potting it in the soil it was to be grown in. Skipped the water.

Valena
Jan 23, 2020 1:18 PM CST
WillC said:Long aerial roots do not propagate as well as younger, shorter ones. Either submerge the full length of the roots in water or cut them off and let new roots emerge from the base node.

Will is absolutely right, not that he needs my confirmation, but I learn from repetitive hard-headedness!

I kept trying to propagate older cutting with darn almost 3 inch long thick brown roots, they would rot before they would grow, I learned Will said to trim that long root back close to the node and it took 2 and 1/2 weeks but it finally rooted.

Valena
Jan 23, 2020 1:21 PM CST
WillC said:Long aerial roots do not propagate as well as younger, shorter ones. Either submerge the full length of the roots in water or cut them off and let new roots emerge from the base node.

Will is absolutely right, not that he needs my confirmation, but I learn from repetitive hard-headedness!

I kept trying to propagate older cutting with darn almost 3 inch long thick brown roots, they would rot before they would grow, I learned Will said to trim that long root back close to the node and it took 2 and 1/2 weeks but it finally rooted.

The big bonus with all of this is that this is the same question I have been trying for 3 years to get a good and experienced answer to and Will finally made it happen.
Name: Gina
Florida (Zone 9a)
Tropical plant collector 35 years
Region: Florida Tropicals Aroids
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Gina1960
Jan 24, 2020 10:38 AM CST
I always skip the water. Have rooted probably 50 cuttings in the past. Right into moist soil mix is my method, like Gene. Rooting in water just produces some roots that will then have to go through another prices to adapt themselves to soil. Its better to skip that step IMO. This is my reward for skipping it
Thumb of 2020-01-24/Gina1960/7d485b

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