What is a Joshua tree?
A Joshua tree is a type of yucca plant. (1)
A Joshua tree is also known as a yucca palm, palm tree yucca. (1)

Where is a Joshua tree found?
Mojave Desert (1)
Kingman, AZ (2)

Where is a Joshua tree native to?
Arizona, Utah, California, and Nevada

How tall does a Joshua tree grow to?
can grow as high as 50 feet. (1)

1. https://leafyplace.com/desert-plants/
2. https://www.blm.gov/office/kingman-field-office