Peace plant, also known as peace lily, spath flower or white sails, is a perennial plant valued for its ornamental flowers, attractive, glossy leaves and ease of care indoors. The plant blooms during spring, producing green flowers that slowly turn creamy white in color. The lightly scented flowers resemble a leaf folded around a small spathe, similar to the calla lily. Native to South America, peace plant requires consistently warm temperatures and indirect light to thrive, making it a popular houseplant throughout the United States.
Keep peace plant in a location that receives bright, indirect light throughout the day, such as a south-facing window. Do not keep the plant in direct sun, or it will scorch. Maintain a temperature of 68 to 85 degrees Fahrenheit during the day and 58 to 75 degrees Fahrenheit at night.
Water once every seven to 10 days to keep the growing medium moist, but not soggy. Apply water directly to the soil to avoid moistening the foliage, as wet leaves are more susceptible to fungal disease. Reduce watering frequency to once every two weeks during winter.
Clean peace plant foliage once every two to three days to keep the leaves free of dust and any pests. Soak a cloth in lukewarm water to prevent shock and gently wipe each leaf clean to avoid causing damage to the foliage.
Feed the plant using a balanced 20-20-20 NPK liquid houseplant fertilizer once every two to three months, except during winter. Water lightly before applying to prevent root injury. Apply according to the manufacturer's instructions for the best results.
Re-pot peace plant once every two to three years to prevent the plant from becoming root bound. Increase the diameter of the container by about 3 inches each time. Use a fresh growing medium made of two parts potting soil and one part peat moss to provide adequate drainage and fertility for proper growth.