ZZ Plant Care: The Unkillable Houseplant

The ZZ plant (Zamioculcas zamiifolia) has a reputation: the houseplant you can't kill. It's earned. Thick, waxy leaflets shrug off low light, dry air, and weeks of neglect — because underground the plant stores water in potato-like rhizomes. There's really only one way to kill a ZZ plant, and it's loving it too much with the watering can.

Water: the one rule that matters

Water your ZZ plant every 3 weeks — roughly every 21 days indoors — and only when the soil is completely dry all the way down. When you do water, soak thoroughly until it drains from the bottom, then empty the saucer.

Those rhizomes are water tanks. In the wild, ZZ plants survive long droughts by drawing on them, which means your plant is built to be forgotten. Underwatering a ZZ plant is almost impossible; overwatering is the number one killer. If you're unsure, wait another week — a slightly thirsty ZZ perks up within a day of watering.

Light: low light is fine, bright is better

ZZ plants tolerate low light better than most houseplants. A north-facing room, a hallway with a distant window, a desk a few feet from the glass — all fine. Growth will just be slow.

New growth emerges as bright lime-green spears that darken to deep green over a few weeks. That's normal, not a deficiency.

One less thing to remember

We'll email you when your ZZ plant is due for a drink — about every three weeks. Free.

Start free reminders

Feeding and upkeep

Feed once a month in spring and summer with a balanced liquid fertilizer at half strength. Skip feeding entirely in fall and winter — the plant barely grows, and it doesn't need the help.

Wipe the glossy leaflets with a damp cloth occasionally so they can photosynthesize. Repot every 2–3 years when the rhizomes crowd the pot; ZZ plants actually like being a little snug, so don't rush to size up.

Troubleshooting: the five common problems

  1. Yellow leaves: Overwatering, almost always. Let the soil dry out completely and stretch the interval between drinks.
  2. Mushy stems or soft rhizomes: Root rot from staying wet. Unpot, trim anything mushy, and repot in fresh, fast-draining mix.
  3. Brown, crispy leaf tips: Usually underwatering or very dry air — rare for a ZZ. Give it a deep soak and check your schedule.
  4. Hardly any new growth: Normal in low light or winter. More light speeds it up; patience is also a valid strategy.
  5. Stalks flopping outward: Reaching for light. Move the plant closer to a window and rotate the pot regularly.
The whole ZZ philosophy: water rarely, water deeply, and otherwise leave it alone. It's the plant for people who travel, forget, or are just starting out — and it looks good the entire time.

Recommended products

Things that genuinely help with ZZ plant care. Why we recommend products.

Watering

Soil moisture meter

The easiest way to stop overwatering: push the probe deep into the pot and water only when it reads dry. No batteries, no guesswork.

Drainage

Terracotta pot with drainage hole

Terracotta wicks moisture away from the soil, which is exactly what a drought-tolerant plant wants. Pair it with a cactus-style mix.

Let the reminders handle the schedule

NurtureNudge emails you about every three weeks when your ZZ plant is thirsty — timed to your home. Free.

Get free reminders

Keep reading: How Often to Water a Monstera · Snake Plant Care · Pothos Care Basics