Greenie

Inside or out, a banana growing in a container will benefit from a slow release fertilizer, with a ratio similar to 3-1-6 (ex. 6-2-12). Make sure to check the label for micronutrients. When applying the fertilizer to a containerized banana stay on the lighter side for bananas growing in shady locations, and a little heavier for those growing in full sun.I have heard good things about the spikes,but for in-ground plants only.good luck.