Q: I planted two new four-foot avocado trees in the last two weeks. Some of the leaves are turning brown and falling off. I am in zone 9. I am hand watering twice a week with two gallons of water per ...

Q: We have an avocado tree that is more than 20 years old and over 20 feet tall. It gets sun mid-afternoon to sundown. The tree is located in between a grass lawn & an in-ground swimming pool. We have ...