Peace Lily (Spathiphyllum wallisii)
Wallisii
About this plant
Spathiphyllum wallisii, commonly known as the Peace Lily, is a popular indoor plant known for its glossy green leaves and elegant white flowers that resemble calla lilies. It is appreciated for its ability to improve indoor air quality and its tolerance of low light conditions. The plant has a graceful, arching form and blooms periodically throughout the year indoors.
Taxonomy
Higher classification: Order: Alismatales
Origin & Distribution
- Native region
- Central and South America
- Distribution
- Widely cultivated indoors worldwide; native to tropical regions of Central and South America.
Care
- Suitable locations
- Indoor, Balcony, Greenhouse
- Preferred window facing
- North-facing, East-facing, Northeast-facing, Northwest-facing
- USDA hardiness zones
- 10–12
- Soil pH
- 5.5–6.5
- Soil type
- well-draining potting soil mix
Watering. Water when the top inch of soil feels dry. Avoid letting the plant sit in water to prevent root rot. Increase humidity by misting leaves if air is dry.
Fertilizing. Feed the plant with a balanced, water-soluble fertilizer every 6 to 8 weeks during the growing season (spring and summer). Avoid over-fertilizing, which can damage the roots.
Spathiphyllum wallisii is a tough and easy-to-care-for houseplant that thrives in low to medium light. It prefers consistently moist soil but can tolerate occasional drying out. Watch for overwatering, which can cause root rot. Regular wiping of leaves helps keep it healthy.
Propagation
- Propagation methods
- Division
Ornamental features
- Flowering
- Yes
- Flowering period
- spring–summer
Glossy dark green leaves and distinctive white spathe flowers that bloom indoors.
Toxicity & Safety
The plant is mildly toxic if ingested, causing mild irritation to the mouth and stomach. Keep away from children and pets to avoid accidental ingestion.
Allergy information
Spathiphyllum wallisii may cause mild allergic reactions in sensitive people, mainly due to its pollen and sap. Symptoms can include skin irritation or sneezing. To reduce exposure, avoid direct contact with the sap and keep the plant in well-ventilated areas.
Common problems
Common problems include yellowing leaves from overwatering, brown leaf tips due to dry air or inconsistent watering, and occasional pest issues like spider mites or aphids.
Uses
Primarily grown as an ornamental indoor plant valued for its attractive foliage and air-purifying qualities.
Notes
Prune yellow or dead leaves to keep the plant looking neat. Repot every 1-2 years to refresh soil and allow growth. Sensitive to cold drafts and sudden temperature changes.