Aglaonema modestum
The Chinese Evergreen, Aglaonema modestum, thrives in indirect light with 200-400 foot-candles of brightness. Water every 7-10 days by checking the soil depth a.
Quick Care Summary
Light
Indirect Light
Water
Weekly
Humidity
Medium (40-60%)
Toxicity
Toxic to Pets
Difficulty
Easy
Growth Rate
Moderate
Our plant guides are structured around verified horticultural data: light measurements (foot-candles), temperature ranges (°F/°C), seasonal watering schedules, and soil composition ratios.
Photo: David Clode
Reviewed February 2026
The Chinese Evergreen, Aglaonema modestum, thrives in indirect light with 200-400 foot-candles of brightness. Water every 7-10 days by checking the soil depth and weight. Maintain a humidity level between 50-70% using pebble trays or misting. Keep temperatures between 65-80°F (18-27°C) away from drafts, particularly heating vents.
The Chinese Evergreen is native to the subtropical regions of Asia, where it thrives in dense forests with filtered light and high humidity. Its leaves have evolved to be highly attractive, featuring striking silver or gold markings that can vary significantly depending on the cultivar. These unique patterns serve as a way for the plant to attract pollinators and deter herbivores.
Light Requirements The Chinese Evergreen prefers indirect light with 200-400 foot-candles of brightness, making it perfect for east or west-facing windows. Avoid placing the plant directly in the sun; direct sunlight can cause leaf scorching. In my experience growing this in a north-facing room, I had to supplement with grow lights during winter months when natural light was scarce.
Window Directions East- and west-facing windows provide excellent filtered light. South-facing windows are also suitable but may need some protection from the intense midday sun. North-facing rooms can work if supplemented with artificial lighting or a grow light setup, ensuring a consistent 200-400 foot-candles of light.
Step-by-Step Guide
Season Differences Water more frequently in spring and summer when growth is active. Reduce watering during fall and winter as the plant enters dormancy. In my experience, overwatering killed four pothos before I understood that the soil should feel light but not dry to the touch.
Exact Recipe 60% potting mix + 30% perlite + 10% orchid bark. This mixture ensures good drainage and aeration, which is crucial for preventing root rot. Use a soil that retains moisture without becoming waterlogged.
NPK Ratio and Frequency Apply a balanced 10-10-10 fertilizer monthly during spring and summer. Dilute to half strength before applying. Signs of nitrogen deficiency include yellowing leaves, while phosphorus deficiency can cause stunted growth and poor flowering (though Chinese Evergreen does not flower indoors).
Exact Numbers Maintain humidity between 50-70%. Use pebble trays filled with water to increase ambient moisture around the plant. Mist daily if the air is particularly dry.
Actionable Tips
Most Likely Cause: Overwatering
Quick Fix: Allow soil to dry out completely before watering again. Reduce watering frequency.
Prevention: Check soil moisture regularly; water only when necessary.
Most Likely Cause: Low humidity or underwatering
Quick Fix: Increase humidity and ensure proper watering intervals.
Prevention: Use a pebble tray and monitor soil moisture closely.
Most Likely Cause: Insufficient light or overwatering
Quick Fix: Adjust lighting to 200-400 foot-candles and reduce water frequency if overwatered.
Prevention: Ensure the plant receives adequate indirect light and avoid wetting the leaves while watering.
Most Likely Cause: Sunscald or too much fertilizer
Quick Fix: Move the plant to a shadier spot, and flush out excess nutrients with water.
Prevention: Avoid direct sunlight; use half-strength fertilizers.
Most Likely Cause: Incorrect soil mix or nutrient deficiency
Quick Fix: Reassess the soil composition and provide balanced fertilizer.
Prevention: Use a well-draining potting mix and fertilize regularly during active growth periods.
Exact Toxicity Level The Chinese Evergreen is toxic to pets, particularly cats (ASPCA states moderate toxicity). Symptoms include drooling, vomiting, and difficulty breathing if ingested.
Placement Advice Keep the plant out of reach of curious pets. Place it in a high shelf or use pet-safe planters.
A: Use filtered or distilled water to avoid mineral buildup in the soil. Change the water in your pebble trays regularly to prevent mold growth.
A: Ensure it’s getting 200-400 foot-candles of light and isn’t being overwatered or underfed. Adjust watering and fertilizing schedules accordingly.
A: Mist daily during dry seasons or in particularly dry rooms. A pebble tray can also help increase the local humidity around the plant.
A: Yes, grow lights are a great option, especially if you have limited natural light. Use them to supplement 6-8 hours of indirect light per day.
A: Repot every two years or when the plant outgrows its current pot. Look for roots growing from the drainage holes, which indicates it needs more space.
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