Largeleaf Pennywort

Largeleaf Pennywort

Hydrocotyle bonariensis

Family: Araliaceae

Medium

Largeleaf Pennywort (Hydrocotyle bonariensis) is a upright houseplant from the Araliaceae family. Moderate to advanced care requirements.

IndoorToxic to pets
Light
Bright indirect
Water
Every 5 days
Size
39" tall
Difficulty
3/5

Complete Care Guide

Light Requirements

Best near south or west-facing windows with sheer curtains. Wants lots of light but not direct sun rays hitting leaves.

Watering

Water when the top 1-2 inches of soil feel dry. Consistent moisture is preferred but brief dry periods are tolerated.

Typical schedule: every 5 days (adjust for season and environment).

Humidity

Average household humidity (40-50%) is usually fine. Misting occasionally or grouping with other plants can help during dry winter months.

Temperature

Keep between 6080°F (1627°C). Avoid cold drafts, heating vents, and sudden temperature changes.

Size & Growth

Mature size: approximately 39 inches tall × 31 inches wide. Growth rate is moderate. Habit: upright.

Difficulty Level: 3/5

Moderate care requirements. Needs reasonably consistent watering, appropriate light, and attention to humidity. Best for someone with a few plants already.

Quick Tips

  • Water approximately every 7 days
  • Prefers bright indirect light conditions
  • Humidity preference: medium
  • Keep between 60-80°F

Common Problems & Solutions

Brown leaf tips

Cause: Low humidity, inconsistent watering, or mineral buildup from tap water

Fix: Increase humidity with a pebble tray or humidifier. Use filtered water. Water on a consistent schedule.

Pale or leggy growth

Cause: Insufficient light — plant is stretching toward the nearest light source

Fix: Move to a brighter location. Rotate plant quarterly for even growth.

Drooping or wilting

Cause: Usually underwatering or sudden temperature change

Fix: Water thoroughly and ensure consistent moisture. Avoid cold drafts and heating vents.

Toxic to Pets

Largeleaf Pennywort is toxic to cats and dogs. Ingestion may cause oral irritation, excessive drooling, vomiting, and difficulty swallowing. Keep this plant out of reach or consider a pet-safe alternative.

Browse pet-safe alternatives →

Where to Buy

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Frequently Asked Questions

Is Largeleaf Pennywort safe for cats and dogs?

No — Largeleaf Pennywort is toxic to both cats and dogs. If ingested, it may cause oral irritation, drooling, vomiting, or difficulty swallowing. Keep out of reach of pets or choose a pet-safe alternative.

How often should I water Largeleaf Pennywort?

Water approximately every 5 days, but always check the soil first. Water when the top 1-2 inches of soil feel dry. Consistent moisture is preferred but brief dry periods are tolerated. Adjust frequency based on season — less in winter, more in summer.

How much light does Largeleaf Pennywort need?

Largeleaf Pennywort prefers bright indirect conditions. Best near south or west-facing windows with sheer curtains. Wants lots of light but not direct sun rays hitting leaves.

How big does Largeleaf Pennywort get?

Indoors, Largeleaf Pennywort typically reaches about 39 inches (99 cm) tall with a spread of around 31 inches. Growth rate is moderate. Size depends on pot size, light, and care.

Is Largeleaf Pennywort good for beginners?

Largeleaf Pennywort has a difficulty rating of 3/5, so it's best for intermediate plant parents. It needs more specific conditions to thrive.