Bringing banana trees indoors for winter The safest way ... indoors,’ says horticulturalist Gail Pabst of the National Garden Bureau. Once indoors, she recommends keeping it in a sunny location ...

Aster W. Green, author of Companion Planting in Raised Bed Gardens, notes that, at the very least, using banana water for plants is an "organic way to level up your watering game [and] get away ...