You are doing it wrong. Here’s what fertilizer to use on what houseplants

3. 🍌 Banana Peels
Why: Rich in potassium and phosphorus for blooms and root health.
How to Use: Chop finely or blend into a puree and mix 1 tablespoon into soil once every 4–6 weeks. Or steep chopped peel in water for 2–3 days, strain, and use as liquid feed.
Best Used On: African Violets, Orchids, Peace Lily, Bird of Paradise.
Avoid On: Succulents, Snake Plant, ZZ Plant—low nutrient needs and rot-prone.