Plant guide
アンスリウム
Watering rhythm
Every 3–5 days
Anthurium is a tropical evergreen plant native to Central and South America, known for its glossy, heart-shaped leaves. It produces striking flower spathes in red, pink, or white that last for an extended period, and it's easy to grow indoors with minimal fuss. With a tolerance for lower light conditions, it's a favorite choice for beginners.
Anthurium thrives in bright, indirect light. Avoid direct sun and position it near a window indoors where it receives plenty of ambient brightness. Maintain temperatures between 20–28°C (68–82°F), and try not to let it drop below 15°C (59°F). Humidity in the 60–80% range is ideal for this plant.
Light and temperature change a plant's metabolism, so the ideal cadence shifts with the seasons.
Spring
Every 2–4 days
Summer
Every 2–4 days
Autumn
Every 3–5 days
Winter
Every 5–7 days
Water thoroughly once the soil surface feels dry. Always empty the drainage tray after watering. Higher humidity actually reduces root rot risk, so misting the leaves regularly is a helpful practice. During winter, hold back on watering—aim to water a few days after the soil has dried out.
Quick lookup from symptom to likely cause and action.
| Symptom | Likely cause | What to try |
|---|---|---|
| Yellowing leaves | Overwatering, root rot, or insufficient light are the most likely culprits. Winter is when overwatering causes the most trouble. | Check how wet the soil is, and if you spot root rot, consider repotting. Move your plant to a brighter spot during the day and reduce how often you water. |
| Darkening or blackening leaves, soft stems | This indicates advanced root rot, typically caused by overwatering, poor drainage, or cold conditions. | Remove the plant from its pot right away, trim away any rotted roots, and repot it in fresh soil. After repotting, be sparing with water. |
| Small leaves, no flowers | Likely due to insufficient light or lack of nutrients. Growth slows in dark or poorly ventilated spots. | Move it to a brighter location. From spring through autumn, feed with diluted liquid fertilizer once or twice a month to boost growth. |
| Brown spots on leaves | Could be leaf burn from direct sun, excessive dryness, or an early sign of disease. Spots sometimes appear after sun exposure. | Remove the affected leaves. Keep the plant away from direct sun and maintain good humidity to help it recover. |
| Visible insects, sticky residue on leaves | Common pests like spider mites or scale insects may be present. These are especially active during warmer months. | Gently wipe the leaves with a damp cloth to remove them, or use an insecticidal spray if needed. Regularly wiping the leaves clean will help prevent infestations. |
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