Q.I Have A Mulberry Tree In Phoenix AZ. Its Dropping Leaves Lately With Extreme Heat In 110 + Degree Weather. How Often Should I
Phoenix has 110+ degree weather
BushDoctor
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on August 6, 2020
The question didn't seem to have finished, but I think I know what is being asked.
Watering should be done when necessary, and not on schedule. This will need to be watered once the soil dries down to about 5 inches or so, very thoroughly. You can get away with watering a little more often, but they will tolerate drier conditions at the top of the soil level.
Overwatering can cause soil infections, which can cause leaf drop.
I would treat with a fungicide, and make sure to use proper care with the tree. These articles will help:
https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm
https://www.gardeningknowhow.com/ornamental/trees/fruitless-mulberry/how-to-grow-mulberry-trees.htm
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