Keeping a peace lily (Spathiphyllum) healthy and thriving during the cold months of winter requires specific care and an understanding of the plant’s needs. Peace lilies are tropical plants that thrive in warm, humid environments, which means that our cooler, drier indoor conditions in winter can pose challenges.

The ideal spot for a peace lily in winter is an area that maintains a consistent temperature of between 65-75 degrees Fahrenheit (18-24 degrees Celsius). This range mimics their natural tropical habitat and provides comfort without the stress cold drafts or sudden temperature changes can induce.

Place the peace lily in a location with bright, indirect light. An east-facing window where it receives some morning sunlight or a few feet away from a south- or west-facing window is perfect. Direct sun can scorch its leaves, so avoiding harsh direct sunlight is crucial.

Humidity is another key factor for peace lilies. During winter, the air in homes often becomes dry due to heating systems. To raise humidity levels around your plant, you can use a humidifier or place the pot on a tray filled with pebbles and water, ensuring the bottom of the pot doesn’t sit directly in water to avoid root rot. Misting the leaves regularly can also help increase humidity.

Water your peace lily sparingly in winter; allow the top inch of soil to dry out between waterings. The plant will require less water during these dormant months compared to the growing season. Overwatering can lead to root rot so err on the side of underwatering.

Lastly, keep your peace lily away from drafty windows or doors and heat sources like radiators or vents as fluctuations in temperature and dry air can harm it.

By providing your peace lily with these optimal conditions during winter, you’ll keep it healthy and thriving despite the cold weather outside. Come spring, with careful tending, your peace lily will be ready to bloom and grow vigorously.

Remember, while caring for indoor plants there can be variations among individual plants’ needs so observe your peace lily’s response to its environment closely and adjust accordingly.