RETHINKING THE MOUNTAIN CEDAR (ASHE JUNIPER)
Soils in the Hill Country of Texas have been subjected to numerous severe disturbances over the last 150 years. If Mountain Cedars hadn't morphed from trees in forests and woodlands into pioneering thickets of bushy-cedars, our soils would be much more degraded today.
Growth Rate to Estimate Age of Mountain Cedars
Although pioneering thickets of bushy-cedars can rapidly cover a rangeland, they have a very slow growth rate. To estimate the ages of your Mountain Cedars, measure the largest trunk 4.5 feet up from the ground (dbh). The measurement should be in inches. Then divide the inches by .1 and .06. The result provides a minimum to maximum age in years.
Measured 4.5 feet up, this tree's trunk measures 97 inches around (circumference). Divide the circumference by pi to get the trunk diameter, 31 inches.
31 inches trunk/ .1 = 310
31 inches trunk/ .06 = 517
This Mountain Cedar is 310 to 517 years old