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Propagating A ZZ Plant By Division: Getting 3 Plants From 1

ZZ Plants are tough as nails, easy to maintain & make gorgeous houseplants. Here's how I propagated my large ZZ Plant by dividing it into 3 plants.

a large zz plant grows in a purple pot in front of a white pillar the text reads propagting a zz plant by division getting 3 plants from 1

I love ZZ Plants because they’re tough as nails, a snap to maintain and as handsome as can be.  That glossy foliage steals my heart. Mine, which moved with me from California to Arizona last year, was starting to overtake its spot in the kitchen. Let’s just say that it’s enjoying the desert heat to the max – it’s growing like crazy! Dividing it seemed to be a logical solution and is one way of propagating a ZZ Plant.

In late winter/early spring, my ZZ Plant started putting new growth in a big way. That new growth is spring green, as opposed to the older dark green foliage, so the plant was putting on a beautiful show. I decided to divide it into 3 plants so 1 could stay in the kitchen, another would head to my bedroom and the 3rd would go to Lucy.

3 ZZ Plants have been divided from 1 plant. The smallest ZZ Plant is in a light green pot, the medium sized ZZ Plant is in a purple pot & the largest ZZ Plant is in a black pot

The 3 ZZ Plants sitting on my work table after their division.

Propagating a ZZ Plant by division:

I started by hoisting the plant out to my work table. It was extremely heavy because all the growth arises from underground rhizomes (they look like potatoes as the plant ages) which add quite a few pounds to a plant this size. This is a project I’d never done before and I wasn’t really sure how it would go. Without much prior thought, I jumped right in.

A very large ZZ Plant in a black grow pot sits on a work table outdoors

This is my gorgeous ZZ Plant before the dividing. You can see how much it’s grown in 11 months here.

First off, I ran the pruning saw around the perimeter of the root ball to loosen it from the grow pot. The plant was turned on its side and I firmly pushed on the pot to loosen the root ball even more. It pulled out with some coaxing and I stood the plant back up to suss out the situation.

This ZZ was so dense it was hard to get a clear dividing line, if you know what I mean. I picked the best point to cut into (which gave a 1/3 to 2/3 division) and starting saw away. It was a little tough getting through the fleshy roots and swollen rhizomes. The 95 degree heat added to the struggle but both the plant and I survived.

A ZZ Plant has been divided into 4 plants The fleshy roots & rhizomes are exposedThis is how I ultimately divided the ZZ Plant. The smallest piece was potted along with the largest plant.

I used a planting mixture of 3/4 potting soil with 1/4 succulent and cactus mix. A few handfuls of compost were tossed in along the way as well as a 1″ layer of worm compost towards the top. This all ensures that the mix will drain really well (those thick, fleshy roots & rhizomes store water so this plant is subject to rot) yet is adequately and naturally nourished.

2 ZZ Plants have been divided from 1 plant. 1 ZZ Plant is in a purple pot & the other ZZ Plant shows the root ball

Both these ZZ Plants have a flat side where they were cut but will fill out fast. They’re such fine houseplants!

You can see all the steps I took when planting these ZZ Plants in the video above. After I finished, I took the 3 plants out to the garden and gave them a good and thorough watering. Hopefully, I won’t have to transplant the large one for a couple of years, but who knows. They certainly grow like a weed in these warm temps and a good dose of bright light!

Happy gardening & thanks for stopping by,

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6 comments:

  1. Hello! I’ve actually just done this to my zz plant last night. I’m curious if the new smaller plants I’ve created can spread and grow additional rhizomes under the soil. Do you know if that happens? Or will the plant just continue to grow off its single rhizome?

  2. Hi Alyssa – The ZZ Plant spreads by rhizomes. New rhizomes will form off the original ones. Nell

  3. Hi! I’m also in Arizona and I have a ZZ plant that I keep indoors. I’d like to re-pot it and create a second plant to keep outdoors. Regarding outdoor temperatures, Is this/winter an acceptable time of year to bring the new plant outside? Do you bring your ZZ indoors if it’s too hot (100+) or if it’s too cold out? Any recommendations on outdoor temps where ZZ would be happiest would be appreciated. Thank you!

  4. Hi Lisa –
    I kept my ZZ plant outdoors in bright shade in 2016. I moved it into the garage December through February. I now grow my 2 ZZs indoors. The heat didn’t seem to bother it at all but keep it out of the sun & mind the watering. I wouldn’t keep it outside when temps are below 40 F. Nell

  5. I’m so glad I found your blog. I just adopted a ZZ plant from a coworker and the rootballs are exposed. I was wondering if I should bury them deeper in the pot or if it’s ideal to have the tops out of the soil a bit?

  6. Hi Judy – The tubers can be exposed a bit (they are on my 2) so no worries. As the plant grows, the tubers also grow & multiply. Nell

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