Help. What's happening to my lemon trees?
I've had meyer lemon trees planted three years ago and they never really grew in size but did produce lemons. A month ago they were still with vibrant green leaves but now the leaves are turning yellow and dying and there's no new growth. This being Arizona summers i don't know if I'm over-watering or under-watering. I'm using 36" deep root watering stakes connected to the hose.