Chinese Evergreen
Aglaonema costatum
Silver Bay
About this plant
Aglaonema costatum, commonly known as Chinese Evergreen, is a popular indoor plant appreciated for its attractive, patterned green and silver leaves. It grows as a compact shrub with broad leaves that brighten indoor spaces. This plant is valued for its ability to tolerate low light and improve indoor air quality. It is often used as a decorative houseplant in homes and offices.
Taxonomy
- Genus
- Aglaonema
- Family
- Araceae
- Higher classification
- Order: Alismatales
- Plant type
- Houseplant
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Southeast Asia
- Distribution
- Native to Southeast Asia, widely cultivated indoors worldwide.
Care
- Light preference
- Partial shade
- Suitable locations
- Indoor, Balcony, Greenhouse
- Preferred window facing
- North-facing, East-facing, Northeast-facing, Northwest-facing
- Watering frequency
- Moderate
- Watering interval
- 5–10 days
- Humidity
- Normal
- Minimum
- 15 °C
- Maximum
- 30 °C
- Optimal
- 18-26 °C
- USDA hardiness zones
- 10-12
- Soil pH
- 5.5-6.5
- Soil type
- well-draining potting soil mix
Watering. Water when the top 2-3 cm of soil feels dry. Avoid letting the plant sit in water to prevent root rot.
Fertilizing. Feed the plant with a balanced liquid fertilizer every 4 to 6 weeks during the growing season (spring and summer). Reduce feeding in fall and winter when growth slows.
Aglaonema costatum is a tough and easy-to-care-for houseplant that thrives in low to moderate light. It prefers moderate watering and well-draining soil. Avoid overwatering to prevent root rot. It requires minimal maintenance and is suitable for beginners.
Propagation
- Propagation methods
- Cuttings, Division
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- spring
Attractive variegated green and silver leaves with a glossy texture; occasional small white flowers.
Toxicity & Safety
- Toxic to humans
- Mildly toxic
- Toxic to pets
- Mildly toxic
- Weed potential
- Not considered a weed
The plant is mildly toxic if ingested; keep away from children and pets to avoid stomach upset.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Sap or latex, Skin contact
- Pollen level
- None
Aglaonema costatum is generally safe for most people, but its sap can cause mild skin irritation in sensitive individuals. Avoid direct contact with the sap and wash hands after handling the plant to reduce any risk.
Common problems
Overwatering can cause root rot and yellowing leaves. Low humidity may lead to brown leaf edges. Pests like spider mites or mealybugs can occasionally appear.
Uses
Primarily grown as an ornamental houseplant for its attractive foliage and air-purifying qualities.
Notes
Prune yellow or damaged leaves to keep the plant healthy. Repot every 2-3 years or when root-bound. Sensitive to cold drafts and sudden temperature changes.