How often to water ZZ plant

PotPal's default range for ZZ plant

Summer: every 21–42 days
Spring and autumn: every 31 days
Winter: every 30–45 days

These ranges are PotPal's default starting point for this species by season; once the plant is in the app, PotPal adjusts them for light, pot, soil mix and local weather. They are PotPal's convention, not a general gardening rule, and checking the soil always comes first.

Light

Fine in low to medium light; no need to chase the sun.

The most common way it gets killed

Watering often so it won't dry out; its tubers store water, and overwatering is far more dangerous than drought.

How to check

Push a finger two knuckles into the soil; water once it's completely dry, and if unsure, wait a few more days.

The general rule of checking the soil rather than the calendar comes from UConn Home and Garden Education Center, Houseplant Watering Recommendations (homegarden.cahnr.uconn.edu), checked 2026-10-13.

Let PotPal keep track

PotPal works out a watering window for each plant you add and sends a local reminder, and you can tap Not dry yet when the soil is still damp. Adopting ZZ plant straight from the in-app plant atlas is coming with PotPal 1.4.0, with the range above as its starting point.

Frequently asked questions

How often should I water ZZ plant in summer and in winter?

PotPal's default is every 21–42 days in summer and every 30–45 days in winter, and every 31 days in spring and autumn. That is PotPal's own starting range, not a general rule.

The reminder came but the soil is not dry yet. What should I do?

Wait and check again. Tap Not dry yet in PotPal to push the reminder back by 2, 4 or 7 days. It does not count as a watering.