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Updated 2026-10-13 · 2 min read

How often to water a pennywort

What PotPal assumes for a pennywort, the light it likes, the mistake that kills it most often, and how to check before you water.

PotPal's default range for pennywort

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 what you see in front of you always comes first.

Light

Needs plenty of light.

The most common way it gets killed

Waiting for the soil to dry like a regular potted plant; it's semi-aquatic and must never run dry.

How this plant is watered

Never let it run dry: keep water in the saucer at all times, with no need to wait for the soil to dry.

Let PotPal keep track

PotPal works out a watering window for each plant you add and sends a local reminder. Adopting pennywort 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 pennywort in summer and in winter?

PotPal's default is every day in summer and every 2–3 days in winter, and every 2 days in spring and autumn. That is PotPal's own starting range, not a general rule.

How is pennywort watered?

Never let it run dry: keep water in the saucer at all times, with no need to wait for the soil to dry.

PotPal works out when your plants may need water, and you keep the final say by checking the soil.

Get PotPal on the App Store

Free to download · iPhone · iOS 17 or later · optional PotPal Pro