4. Go bananas
Slice up banana peels and dig them into the soil in garden beds to give plants a potassium boost. Bananas are especially good for roses.
5. Weed wonders
According to Franchi Sementi of Sought After Seedlings, you can make a nourishing tea out of weeds and water your garden with it to help replace nutrients that are missing in the soil.
Related: How to drought-proof your garden