Answer: It sounds as though your banana plant is suffering in the summer sunshine. While they will grow in full sun, I find that they appreciate a little protection from hot afternoon sun in the summertime. The leaves will split when exposed to winds (and it doesn't take much to start to split). At this point I think I'd leave it where it is but plan on moving it to a more sheltered location next spring. You can hardly overwater or overfeed a banana plant so continue to water when you go outdoors and feed about every 3-4 weeks during the growing season. There's nothing you can do about the sunscald on the plant but eventually the top of your plant will die down and a new shoot will emerge from the root system. Best wishes with your banana plant!
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