What type of fertilizer do I put on a banana tree?
What do I feed a banana tree?
Certified GKH Gardening Expert
During the growing season, it will need a fertilizer high in nitrogen. During the blooming season you will need to increase the amount of phosphorus and potassium, while decreasing nitrogen.
This article will help: https://www.gardeningknowhow.com/edible/fruits/banana/feeding-banana-plants.htm