How to Grow a Peace Lily

The peace lily (Spathiphyllum wallisii) is a beloved houseplant known for its glossy green leaves and elegant white blooms, called spathes. Native to Central and South America, this tropical plant thrives in warm, humid environments, making it ideal for kitchens and bathrooms. Beyond its beauty, the peace lily is an effective air purifier, adding both style and health benefits to your home.

Despite its name, the peace lily isn’t a true lily but belongs to the arum family, which includes plants like the Swiss cheese plant (Monstera deliciosa) and Zantedeschia (calla lilies). Its white flowers resemble white flags, symbolizing peace, which is how it got its name.

Tips for Growing a Peace Lily

Light Requirements

Peace lilies flourish in bright, indirect light. While they tolerate low light, they produce more flowers with sufficient illumination. Avoid direct sunlight, as it can scorch the leaves.

Watering

Maintain consistently moist soil, but avoid overwatering. Water when the top few centimeters of soil feel dry. Peace lilies wilt when thirsty but recover quickly after watering.

Feeding

During spring and summer, fertilize every two weeks with a balanced liquid houseplant fertilizer to support healthy growth and blooms.

Humidity

Mimic their natural tropical habitat by misting the leaves occasionally or placing the plant in a humid room, such as a bathroom.

Pruning

Remove faded flowers and dust the leaves regularly to ensure optimal photosynthesis and maintain a fresh appearance.

Where to Position a Peace Lily

Peace lilies prefer warm, humid conditions with bright, indirect sunlight. Keep them away from cold drafts, such as those from doors, windows, or fireplaces. A well-lit kitchen or bathroom is an excellent location.

How to Pot a Peace Lily

If your peace lily becomes root-bound, repot it in spring. Choose a pot one-third larger than the root ball and use peat-free, multi-purpose compost mixed with perlite for better drainage. Position the plant centrally, fill around the roots with compost, and water thoroughly.

Caring for a Peace Lily

Watering

Keep the soil consistently moist but not soggy. Wilting indicates dehydration, while yellowing leaves may suggest overwatering.

Feeding

Fertilize every two weeks during the growing season (spring and summer) to encourage lush foliage and blooms.

Repotting

Repot every few years into a slightly larger container with fresh compost. Persistent wilting may indicate the need for repotting.

Common Peace Lily Problems & Solutions

Fungus Gnats

These pests thrive in moist soil. Reduce watering and use organic solutions like Bacillus thuringiensis (Bt) or homemade traps to manage them.

Yellow Leaves

A few yellow leaves are normal, but excessive yellowing can indicate overwatering. Allow the soil to dry slightly between waterings.

Brown Leaf Edges

This is often due to excessive direct sunlight. Move the plant to a spot with bright, indirect light.

Buying a Peace Lily

When purchasing a peace lily, inspect it for pests or signs of disease. Avoid plants exposed to cold drafts, especially near store entrances in winter.

With proper care, your peace lily will flourish, bringing beauty and serenity to your home. Follow this guide to enjoy the air-purifying benefits and elegant blooms of this remarkable houseplant!