Water the peace lily a day before repotting
Choose a pot 1 to 2 inches larger than the current one with drainage holes
Prepare fresh, well-draining potting mix
Gently remove the plant from its old pot
Loosen the roots carefully
Trim any dead, rotten, or overly long roots
Place a layer of potting mix in the new pot
Set the plant at the same soil level as before
Fill in around the roots with fresh potting mix
Press the soil lightly to remove air pockets
Water thoroughly after repotting
Let excess water drain completely
Place the plant in bright, indirect light
Avoid fertilizing for a few weeks after repotting