Peace Lily (Spathiphyllum): Care Guide for Elegant White Flowers

Peace Lily (Spathiphyllum)

The Peace Lily is a beloved houseplant for its glossy, dark green leaves and elegant white spathes (flowers) that bloom intermittently year-round. It's a top NASA air purifier, removing six toxins. It dramatically droops when thirsty, making watering foolproof. Tolerates low light but blooms more with brightness.

Quick Facts

• Common Names: Peace Lily, White Sails, Spathiphyllum
• Botanical Name: Spathiphyllum spp. (wallisii, hybrids)
• Mature Height: Up to 4 ft (1.2 m)
• Width: Up to 4 ft
• Pet Safety: Toxic to cats and dogs

Essential Care Requirements

Light

Low to bright indirect. Blooms best in medium/bright light. No direct sun.

Temperature

65–80°F (18–27°C). Minimum 55°F (13°C).

Watering

Water when top inch dry (or when leaves droop). Keep evenly moist. Less in winter.

Humidity

Average to high. Mist or pebble tray.

Soil

Rich, well-draining potting mix.

Fertilizer

Monthly spring–fall diluted. High phosphorus encourages blooms.

Repotting

Every 1–2 years spring. Divide if large.

Propagation

Division at repotting.

Common Problems & Solutions

• Brown leaf tips: Low humidity, fluoride, over-fertilizer, or underwatering.
• Yellow leaves: Overwatering, old age, or root-bound.
• No flowers: Insufficient light, needs fertilizer, or root-bound.
• Pests: Mealybugs, scale. Wipe leaves.