Knowledgebase
Banana Peel Tea #722597
Asked September 10, 2020, 11:44 AM EDT
Montgomery County Maryland
Expert Response
Banana peels are high in potassium, but applying a banana peel fertilizer to your plants would be a waste if the soil is already sufficient in plant-available potassium. We suggest that you test your soil to get baseline information on nutrient levels, soil pH, and organic matter.
https://extension.umd.edu/hgic/topics/soil-testing
Jon