westernrvparkowner wrote:
Unless there is something I don't know about, most trees take 30 - 50 years to mature.
There are plenty of trees that mature much quicker than that. Depending on the size/age of the specimen you begin with, you should be able to plant many varieties of trees that reach near maturity within 5-10 years.
(My wife runs a landscape construction company. She and our son are both Landscape Architects. I've been subjected to decades of flora lore, and one learns this stuff whether one wants to or not.)