How to Care for a Peace Lily | Keep It Green and Blooming

Few houseplants forgive neglect like the peace lily, but they do have a narrow set of preferences. Get the light, water, and temperature right and the plant rewards you with glossy leaves and white blooms. Get one thing wrong and the leaves droop dramatically — then bounce back within hours of a drink. Knowing how to care for a peace lily comes down to matching its tropical origins: steady moisture, filtered light, and no dramatic shifts.

What Light, Water, and Temperature Does a Peace Lily Need?

Peace lilies want bright, indirect light — the kind you get a few feet back from a north- or east-facing window. Direct sun scorches the leaves, while very low light keeps the plant alive but stops it from flowering.

Watering is where most people slip. Instead of a calendar schedule, check the soil with your finger. If the top inch or two feels dry, water thoroughly until it drains from the bottom, then empty the saucer. Never let the pot sit in standing water; soggy roots are the fastest way to kill one. Room-temperature water is best — cold water can shock the plant, and letting tap water sit out overnight lets chlorine evaporate.

Temperatures between 65°F and 80°F suit them well. Keep the plant away from cold drafts, air vents, and chilly windows in winter; anything at or below 55°F causes stress.

Feeding, Repotting, and Grooming Basics

Peace lilies are light feeders. A balanced houseplant fertilizer applied monthly during spring and summer is plenty — Scott’s Miracle-Gro recommends its Indoor Plant Food, while White Flower Farm suggests alternating a balanced feed with a blossom-boosting formula. Skip feeding entirely in fall and winter, and never overdo it; excess fertilizer burns sensitive roots and leaf tips.

Repot every 12 to 18 months, or when roots crowd the pot. Use a well-draining indoor potting mix; a moisture-retaining all-purpose blend works better than a fast-draining succulent mix, which dries out too quickly.

Wipe dust off the leaves with a damp cloth every few weeks, and snip yellow or brown leaves and faded flowers at the base. That keeps the plant tidy and pushes energy into new growth.

Common Mistakes and How to Avoid Them

The biggest peace lily killers are overwatering and direct sun. A pot sitting in water invites root rot; harsh sunlight bleaches and scorches the foliage. Underwatering until the plant wilts is nearly as stressful, so never let the soil go bone-dry.

• Overwatering: check the top inch before watering; empty the saucer after each drink.
• Direct sun: keep it in filtered light; morning sun is fine, afternoon sun is not.
• Cold drafts: move it away from windows and doors during winter.
• Tap water sensitivity: peace lilies react to fluoride, so use rainwater or filtered water when you can.
• Overfertilizing: light spring-summer feeding only; skip it in the dormant months.

Humidity matters too. Peace lilies thrive in steamy kitchens or bathrooms, and regular misting or a nearby humidifier keeps leaf edges from browning.

How Long Will a Peace Lily Live — and How Do I Get It to Bloom Again?

With steady care, a peace lily lives for decades and blooms repeatedly from late winter through fall. Each flower lasts a month or more before fading to green.

If yours refuses to bloom, the usual cause is insufficient light. Move it to a brighter spot with still-indirect light, resume regular feeding in spring, and keep it slightly rootbound — peace lilies bloom best when their roots are snug. If you’ve recently repotted, give it a season to settle.

If you’re ready to add one, our tested roundup of the best sensation peace lilies walks through the top options and how they differ.

One final note: peace lilies are mildly toxic to pets and humans if chewed, so place them where curious cats and dogs can’t reach.