Banana peels is a very quick fertilizer for houseplants! If you need to restore a dying plant, this fertilizer will help you very effectively. Pour peels with water and let them stand for a day. After that you can use banana peels again.
If bananas are spoiled and formed dark spots, you can use them for plants. Mash banana with a fork and mix it with a glass of water. Mix thoroughly and let it stand for a bit. Then pour the plant. Attention! Do not use bananas with mold! Take away all flesh pieces.