How tall will Paulownia grow and how deep do the roots go?

Paulownia is the fastest-growing tree in the world. A hardwood, it can grow 10-20 feet in its first year and reaches maturity within 10 years.

Depending on variety and soil conditions Paulownia can reach between 50 to 70 feet. Paulownia has a deep tap root of up to 45 feet.