I have just finished reading a gardening magazine produced for the English market. In the questions section a readers said that she had been advised by a friend to put banana skins around her roses. She lets them rot down naturally. Another friend chops them into small pieces and lets them rot down, and another liquidises them and waters them onto her roses.
All swear that the results show that bananas make a good fertilizer. The expert advises them that bananas are high in potassium and increase the size of blooms, increase the scent, increase the colour of the hips,