According to the California Avocado Commission, avocados need a fertilizer with a good balance of nitrogen, phosphorus, potassium and especially zinc.
About this Author
In Jacksonville, Fla., Frank Whittemore is a content strategist with over a decade of experience as a hospital corpsman in the U.S. Navy and a licensed paramedic. He has over 15 years experience writing for several Fortune 500 companies. Whittemore writes on topics in medicine, nature, science, technology, the arts, cuisine, travel and sports.