Peace lily leaves can yellow if their light is too strong, and hot direct sun will scorch their leaves with brown spots or streaks.
48+ Peace Lily Spots On Leaves. Brown spots and webbing on leaves. There's actually a few things that contribute to the leaves of peace lilies turning yellow and paling in color before that.
Peace Lily With Brown Spots Gardening Forums from www.gardening-forums.com
If you notice small, slender dark insects or wet, shiny spots on the spathes, isolate the plant immediately for treatment. Do you guys have any idea of what may be happening? I water my peace lily only when the leaves droop and this has worked very well for 2 years.
I have brown tips on my peace lily plant (spathiphyllum).
It is best to try to keep the peace lily a few feet away from a window to help keep light levels consistent. The peace lily loves its shade! It should soon show new green growth. Peace lilies prefer light partial shade, and can tolerate fluorescent lights.