ZZ Plant

How to Prune ZZ Plant

Zamioculcas zamiifolia
Reviewed by Kiersten Rankel M.S.
Quick Answer
Prune your ZZ plant in spring or summer by cutting unwanted stems at soil level. Focus on removing yellowing, leaning, or damaged stems. ZZ plants are slow growers, so prune sparingly and never remove more than a third of the stems at once.

When is the best time to prune?

ZZ plants grow slowly year-round but are most active in spring and summer, so pruning during the warm months gives the rhizomes the best chance to push out replacement stems.

US pruning regions map
Pacific
Apr–Aug
Mountain
May–Aug
Midwest
May–Aug
Northeast
May–Aug
Southeast
Apr–Sep
Stay on top of plant care
Get seasonal reminders for watering and fertilizing — personalized for your plants.
Try Greg Free

Why Should I Prune My ZZ Plant?

ZZ plants are famously low-maintenance, and most of the time they don't need pruning at all. But occasionally a stem turns yellow, gets damaged, or grows so long it flops over, and that's when a quick trim helps.

Each ZZ stem grows directly from an underground rhizome. When you cut a stem, you're removing it permanently since it won't sprout new leaves from the stub. Cut yellowing or unwanted stems all the way down at soil level using clean pruners.

If your ZZ plant has gotten lopsided, you can remove a few of the longest stems to balance the shape. But keep in mind that new stems take months to emerge, so the plant will look thinner for a while. It's better to rotate the pot for even light exposure than to rely on pruning for symmetry.

The one thing to be careful about is the sap. ZZ plant sap contains calcium oxalate crystals that can irritate your skin. Wear gloves when pruning and wash your hands afterward.

Know Before You Cut

Difficulty Easy
Max removal 1/3 of stems at most
Growth pattern Upright rhizomatous clump
Tools Sharp pruners or scissors

What Should I Remove?

Cut yellowing stems at soil level
Remove damaged or broken stems completely
Trim individual brown leaflets if mostly green
Wear gloves to avoid sap irritation
Don't cut stems partway down (they won't branch)
Don't remove more than 1/3 of stems at once
Don't prune a newly repotted plant

How Do I Prune Step by Step?

1
Identify stems to remove
Look for stems that are fully yellow, leaning heavily, or damaged. Healthy green stems should be left alone.
2
Cut at soil level
Trace the stem down to where it emerges from the soil and cut it cleanly. Don't leave a stub, since it won't produce new growth and may rot.
3
Trim individual leaflets if needed
If a mostly healthy stem has a few brown leaflets, you can snip those off individually with scissors. The stem itself is fine.
4
Clean up and wash hands
Dispose of the cut stems and wash your hands or gloves. ZZ sap can cause mild skin irritation from calcium oxalate crystals.

Got More Questions?

Can I propagate the stems I prune off?
Yes, if the stems are still green. Place individual leaflets or stem sections in water or moist soil. They'll grow new rhizomes, but it takes 2–4 months.
Why is one stem on my ZZ plant turning yellow?
A single yellowing stem usually means overwatering or that particular rhizome section is aging out. Cut it at the base and check your watering frequency.
Will my ZZ plant grow a new stem where I cut one?
Not from the same spot. New stems emerge from the rhizome independently. It may take several months for a new stem to appear.
Is ZZ plant sap toxic to pets?
Yes. All parts of the ZZ plant contain calcium oxalate, which causes mouth irritation and digestive issues if chewed. Keep trimmed stems away from pets.
Can I cut a ZZ stem in half to make it shorter?
You can, but the cut end won't grow back or branch. It will just stay at that height with a blunt tip. It's usually better to remove the whole stem and wait for a new one.
Stay on top of plant care
Get seasonal reminders for watering and fertilizing — personalized for your plants.
Try Greg Free

About This Article

Kiersten Rankel M.S.
Kiersten Rankel M.S.
Botanical Data Lead at Greg · Plant Scientist
About the Author
Kiersten Rankel holds an M.S. in Ecology & Evolutionary Biology from Tulane University. A certified Louisiana Master Naturalist, she has over a decade of experience in science communication, with research spanning corals, cypress trees, marsh grasses, and more. At Greg, she curates species data and verifies care recommendations against botanical research.
See Kiersten Rankel's full background on LinkedIn.
Editorial Process
Pruning guidance verified against Zamioculcas zamiifolia growth data from Greg's botanical database, cross-referenced with USDA hardiness zone data and published horticultural research.
48,218+ Greg users growing this plant
USDA hardiness zones 9b–13b
Grow plants with confidence