Is it ok to put tea bags or coffee grounds on plants if they're in pots? Such as hibiscus, crape myrtles, ivy, sago palms, etc.
Certified GKH Gardening Expert
Yes, it is ok to do this. They can add organic material to the soil, which is helpful. With coffee grounds, some people worry that it may affect the acidity of the soil, but after the grounds are brewed, most of the acidic compounds have been washed out so it generally does not cause any problems.