ZZ plant (Zamioculcas) care guide
Zamioculcas zamiifolia
Easy care⚠️ 🐾
ZZ plant (Zamioculcas) (Zamioculcas zamiifolia) does best when watered about every 14 days. It stores moisture well, so let the soil dry out completely between waterings — overwatering is the fastest way to kill it.
Place it in shade / low light. Humidity needs are low. The comfortable temperature range is 15–28°C. During the growing season, feed it about every 45 days.
Care difficulty: easy — great for beginners.
⚠️ Pet safety: ZZ plant (Zamioculcas) is toxic to cats and dogs. Calcium oxalates, skin and mouth irritation. Keep it out of reach, and if your pet chews it, contact a vet.
The ZZ plant stores water in thick, potato-like rhizomes under the soil and in the swollen bases of its stems, which is why it can go weeks without water and why too much water is what usually kills it. Each glossy “stem” is actually a single compound leaf with rows of leaflets, rising straight from the rhizome. It tolerates low light and dry air better than almost any houseplant, grows in slow flushes of a few new shoots at a time, and needs water only about every 14 days in summer, less in winter, with no misting at all. Its sap contains calcium oxalate, which irritates skin and mouth, so wear gloves when cutting or repotting and keep it away from pets.
Common problems and fixes
ZZ plant stems turning yellow
Why: Yellowing that starts at the base of a stem, especially if the stem feels soft, is the classic sign of overwatering and rotting rhizomes. One old stem yellowing slowly while new shoots emerge can be normal.
What to do: Stop watering and unpot the plant. Cut away any mushy, dark rhizome or stem tissue with a clean knife, let the cuts dry for a day, and replant in dry, gritty mix; then water only once the soil is dry all the way down.
Wrinkled, shrivelled stems
Why: When the rhizomes have used up their reserves after a very long drought, the stems wrinkle and leaflets start to curl and drop. Rotting roots that can no longer absorb water can cause the same look.
What to do: If the soil is bone dry, soak the pot thoroughly and let it drain; the stems plump up within days. If the soil is damp and the stems still wrinkle, check the rhizomes for rot.
ZZ plant falling over or leaning
Why: In a dark corner the stems grow long and weak as they reach for light, and heavy mature stems can flop under their own weight. Rot at the stem base also makes stems collapse.
What to do: Move it to brighter indirect light, turn the pot now and then and tie floppy stems loosely to a stake. Stems that snap at a soft, dark base should be removed.
Brown or pale scorched patches on leaves
Why: Direct midday sun, especially through south-facing glass in summer, burns the waxy leaflets.
What to do: Move the plant back from the window or behind a sheer curtain. Scorched leaflets will not recover, but new growth will be clean.
ZZ plant not growing new shoots
Why: ZZ naturally grows in flushes, often only a few new stems a year, and very low light or cold slows it even further.
What to do: Give it brighter indirect light in spring and summer and feed about every 6 weeks during the growing season. Be patient: a plant that looks static for months is usually building up its rhizomes.
Pot cracking or bulging
Why: The rhizomes keep thickening and can deform a thin plastic pot or even crack a ceramic one.
What to do: Repot in spring into a pot just a few centimetres wider, preferably sturdy and with drainage holes. This is also a good moment to divide the plant.
Care through the seasons
☀️ Spring and summer
From spring to late summer a ZZ plant is at its most active, sending up tightly curled new shoots that unfurl over a few weeks. Water roughly every 14 days, and only when the soil has dried right through; in a bright, warm room it may drink a bit more often, in a shady corner less. Feed about every 6 weeks with a mild houseplant fertiliser. If you plan to repot or divide it, do it now.
❄️ Autumn and winter
In autumn and winter the plant mostly rests, so the soil stays dry for much longer and waterings can drop to once every three or four weeks. Skip fertilising entirely until spring. It tolerates temperatures down to about 15 °C, but cold, wet soil is a fast route to rhizome rot, so keep watering light, especially near cold windows. Dust the leaves with a damp cloth to help them catch the weak winter light.
How to propagate
The quickest way to get a new plant is division. In spring, slide the ZZ out of its pot and gently pull or cut the rhizome clump into sections, each with at least one stem and some roots. Let any cut surfaces dry for a few hours, then pot each piece into gritty, well-draining mix and hold off watering for about a week.
Leaflets and stem cuttings also root, but this is a lesson in patience. Push individual leaflets upright into moist, gritty mix or stand a whole stem in water: roots and a tiny rhizome form in one to three months, and the first new shoot can take six months to a year to appear.
Tips from experience
- When in doubt, do not water: a thirsty ZZ recovers quickly, a rotten one often does not.
- Use a gritty mix with plenty of perlite or pumice and a pot with drainage holes.
- Do not mist it; ZZ is comfortable in dry air and wet leaflets do nothing for it.
- Wear gloves when repotting or cutting, because the sap irritates skin.
- It copes with low light and even office lighting, but grows faster in bright indirect light.
- With a 14-day interval it is easy to forget when you last watered, which is exactly what a Plantik reminder is for.
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▸How often should I water ZZ plant (Zamioculcas)?
About every 14 days. In winter or lower light, stretch the interval; in hot bright rooms, shorten it slightly. Always check the soil first.
▸What light does ZZ plant (Zamioculcas) need?
ZZ plant (Zamioculcas) prefers shade / low light, with a comfortable range of 15–28°C.
▸Is ZZ plant (Zamioculcas) toxic to cats and dogs?
Yes. Calcium oxalates, skin and mouth irritation.
▸How often should I fertilize ZZ plant (Zamioculcas)?
Roughly every 45 days during spring and summer; pause or halve feeding in winter.
▸How often should I water a ZZ plant?
About every 14 days in spring and summer, and only when the soil is completely dry. In winter every three to four weeks is usually enough.
▸Can a ZZ plant live in a room with no windows?
It tolerates very low light better than most plants and can survive under office lights that are on for 8–10 hours a day, but it will grow very slowly and needs even less water there.
▸Why is my ZZ plant turning yellow?
Almost always because of overwatering. Check the base of the stems and the rhizomes; if they are soft, cut away the rot and repot into dry mix.
▸Is the ZZ plant toxic?
Yes. Its sap contains calcium oxalate crystals that irritate the skin and mouth and can cause drooling and vomiting in pets, so keep it out of their reach.