Q.Why Are The Tips Of My Peace Lilly Turning Brown?
A few of my peace lilly house plants are developing brown tips and also a sticky substance on a few of the leaves.

BushDoctor
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on January 10, 2022
It sounds like and insect or pest infestation, such as slugs or snails. Unfortunately, your photos did not come through. I am unable to see the damage.
In the meantime, these articles will help:
https://www.gardeningknowhow.com/houseplants/peace-lily
https://www.gardeningknowhow.com/plant-problems/pests/pesticides
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