Chinese Evergreen

How to care for Chinese Evergreen

Light

Aglaonema modestum is exceptionally adaptable to low-light conditions, making it one of the few houseplants that can thrive far from a window. It performs best in bright, indirect light but will tolerate the dim corners that defeat most other species. Direct sunlight should be avoided entirely, as the leaves scorch easily. In very low light, growth slows considerably but the plant generally remains healthy.

Watering

Water thoroughly when the top 2-3 cm of compost have dried out, then allow excess water to drain freely from the pot. Overwatering is the most common cause of decline; the roots are sensitive to sitting in waterlogged compost and will rot relatively quickly. Reduce watering frequency in autumn and winter when growth slows. Use tepid water if possible, as cold water can cause leaf spotting.

Soil and potting

A well-draining, slightly acidic to neutral potting mix is ideal, with a pH of around 5.6 to 6.5. A standard peat-based or peat-free houseplant compost can be used, enriched with perlite or coarse grit (roughly one part grit to three parts compost) to improve drainage and prevent compaction. Good aeration around the roots is important for long-term health.

Feeding

Apply a balanced, water-soluble fertiliser at half the recommended strength every four to six weeks during the active growing season of spring and summer. Do not feed during autumn and winter when the plant is resting, as unused nutrients will accumulate in the compost and can cause root burn. A fertiliser with an NPK ratio such as 20-20-20 or similar is suitable.

Humidity and temperature

Aglaonema modestum prefers temperatures between 16°C and 27°C and should never be exposed to temperatures below 13°C, as cold air causes leaf damage and stress. It dislikes draughts from open windows or air-conditioning units. Moderate to high humidity (40-70%) is beneficial; in dry indoor environments, placing the pot on a tray of damp pebbles or using a nearby humidifier will help prevent leaf tip browning.

Repotting

Repot every two to three years in spring, moving up one pot size (approximately 2-3 cm larger in diameter) when roots begin to emerge from the drainage holes or circle visibly at the surface. Aglaonema modestum does not mind being slightly root-bound and tends to perform well in a snug pot. Gently tease out circling roots at repotting and settle the plant in fresh compost at the same depth as before.

Pruning

Pruning requirements are minimal. Remove yellowed, damaged, or dead leaves at the base using clean, sharp scissors or secateurs to maintain appearance and prevent potential fungal issues. If the plant becomes leggy over time, the stems can be cut back in spring to encourage bushier growth, though this is rarely necessary. Wear gloves when handling cut stems, as the sap is an irritant.

Is Chinese Evergreen toxic?

Common problems

How to propagate

Stem cuttings

Cut a stem section of 10-15 cm with at least two or three nodes, allow the cut end to callous for a few hours, then place in moist perlite or water. Roots typically develop within four to six weeks at a temperature of at least 21°C.

Division

At repotting time, carefully separate the plant into two or more sections, ensuring each division has a healthy root system and several stems. Pot each division into its own container with fresh compost and water lightly until established.

Basal offsets

Mature plants occasionally produce small shoots or suckers at the base; these can be separated from the parent plant with a clean knife once they have developed their own root system, then potted individually.

Where Chinese Evergreen comes from

Native to Bangladesh, Cambodia, China South-Central, China Southeast, Laos, Myanmar, Thailand, Vietnam.

Story and origins

The genus name Aglaonema is derived from the Greek words 'aglaos', meaning bright or shining, and 'nema', meaning thread, most likely a reference to the prominent, lustrous stamens of the flowers. The species epithet 'modestum' comes from the Latin 'modestus', meaning modest, restrained, or unassuming, a fitting description for a plant with relatively plain, understated foliage compared to some of its more flamboyant relatives within the genus.

Aglaonema modestum was formally described by Heinrich Gustav Reichenbach and later by other botanists in the nineteenth century, with specimens collected from the forests of southern China and the Malay Peninsula. The plant has a long history of cultivation in East and Southeast Asia, where it holds symbolic significance in Chinese culture as a plant associated with good luck, prosperity, and longevity. It was introduced to European horticulture in the latter half of the nineteenth century and gained widespread popularity as a houseplant through the twentieth century, prized above all for its exceptional tolerance of the difficult conditions found indoors.

Varieties to know

Aglaonema modestum 'Variegatum'

A variegated form with more pronounced pale silvery-green patterning across the leaf surface compared to the straight species.

Aglaonema 'Silver Queen'

A popular hybrid (involving A. modestum parentage) with heavily silver-patterned leaves on a dark green background; widely available and very tolerant of low light.

Aglaonema 'Green Gold'

Features yellow-green variegation along the midrib and margins, offering a brighter appearance while retaining the species' characteristic toughness.

Fun facts

• Aglaonema modestum was among the plants studied in NASA's Clean Air Study (1989), which suggested it may help reduce indoor concentrations of certain volatile organic compounds, though the effect in real-world conditions is modest.
• The plant has been cultivated indoors in China for centuries and is traditionally considered a symbol of good fortune and longevity, commonly kept in homes and businesses.
• Aglaonema modestum can survive for extended periods under fluorescent office lighting alone, making it one of the few genuinely low-light tolerant houseplants rather than simply low-light tolerant in marketing terms.
• The genus Aglaonema contains around 20-25 accepted species, but hundreds of cultivars have been developed, with A. modestum being one of the original species that sparked wider horticultural interest in the genus.

Chinese Evergreen FAQ