Propagating a ZZ Plant: Rooting Stem Cuttings in Water
I divided my humungous ZZ Plant into 3 separate plants several months backs quite successfully, thank you very much. I’d never done this before so I was a bit apprehensive to have at it with the pruning saw and cut some of those big tubers in half. All of the plants are doing great which is a salute to how tough the ZZ really is. 5 or 6 long stems broke off in the process so I decided to get on with propagating my ZZ Plant by rooting these stem cuttings in water.
I’d never propagated long stems of a ZZ Plant in water before so I was curious as to how it would go. The stems are soft and fleshy leading me to believe they might rot out. Oh not so! It’s definitely not a fast process and the majority of the stems aren’t showing roots after 7 months. That doesn’t bother me because they look great in the urn vase and aren’t showing a brown tip or a bit of discoloration.
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The results of propagating a ZZ Plant by rooting stem cuttings in water:
The stems you see in the green vase are 28″ long, give or take a bit. A few short stems (around 8″) also broke off and they started showing roots in 3 or 4 weeks. I planted them up after 8 weeks and gave the new plant to a friend. If you’re in a hurry, go with the shorter stems. On the flip side, it will take them longer to grow tall so the choice is yours my friend.
The root growth on the short stems after a few weeks. Once it appeared, the roots developed fast.
Things which are good to know:
I took these stem cuttings (except the 1 with the string) in late May. It’s now mid-January as I write this. It’s not a quick process with these long ones, that’s for sure.
I let the fleshy stem cuttings heal over for about an hour before putting them in water. Just be sure to keep them out of direct sun & hot conditions while doing this.
Don’t fill the vase up with water. I kept around 3″ of water in the vase at all times.
Don’t let your cuttings dry out!
Use room temperature water. I changed it every 2 weeks or so – you want to keep the water fresh.
To the best of my understanding, you can’t root a ZZ Plant by a single leaf cutting. You need to get at least 2-3″ of stem & a couple of leaves for successful propagation.
The stem cuttings, roots & no roots. The 1 on the far right has a string tied around it because I stuck that in the vase about 4 months after the other ones. The majority of the ones propagated earlier aren’t showing roots at all. You never know with plants, that’s for sure!
Here’s a close-up on the 1 with the most roots. To my surprise, little tubers are appearing at the base. That’s why I didn’t want to wait too long to get it planted.
You can also propagate shorter cuttings in a light mix. This takes time also; about 6-9 months to show a decent amount of roots.
ZZ Plants have small spadix type flowers which appear at the base. It makes sense you could propagate them by seed but I don’t know anyone who has done that. Except for vegetables & annual flowers, propagating by seed takes way too long in my book.
I divided my ZZ plant last year & won’t do it again for at least 2 or 3 years.
I planted the well rooted cutting in with my smaller ZZ Plant. The cutting is tall & has a bit of weight to it. I used a short bamboo stake to hold it up while those roots settle in & provide support. As promised in the video, here’s the link to a groovy & very useful mini -trowel.
The stem cutting with the string broke off the plant in the bedroom. You’ll find that ZZ Plants will do that every now & then – the big long stems just bend & break. Now you know you can grow & root them in water!
Have you ever propagated a long ZZ Plant stem in water? How long did it take? Inquiring horticultural minds want to know!
You can buy a ZZ Plant online if you can’t find 1 locally. They’re glossy & gorgeous & super easy to care for.
Happy gardening,
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Nell, the founder of Joy Us garden, was born into a gardening family and grew up in Connecticut’s countryside. After living in Boston, New York, San Francisco, & Santa Barbara, she now calls the Arizona desert home. She studied horticulture & garden design, working in the field all her life. Nell is a gardener, designer, blogger, Youtube creator, & author. She’s been gardening for a very long time & wants to share what she’s learned with you.
Hi!
Yes you can root a zz plant from leaf cuttings I do it all the time and am very successful with it.
Hi! I’m actually successfully growing roots from individual leafs! Trying to be patient before planting them.
Thanks Shellie. I’ve never done it before with a ZZ but know many houseplants root that way. Nell
Olga – Many houseplants root from leaves & the ZZ is no exception. Good for you! Nell
Hello. I had a small ZZ plant that was looking very sick so I took it out of the pot, clean all the dirt off and put it in a jar of water. It is now a beautiful (while till small) healthy plant. In the beginning of your video you are sitting next to a ground cover. Just wondering what it was
Oh great Margaret. The ground cover is Asiatic Jasmine. Nell
You can get a plant from a single leaf, it takes a while but it can be done.
Thanks for sharing Cleve. I’ve never done it so that’s good to know. Nell