The great Ponderosa Pine trees were known as Western Yellow Pine until the early 1960s. Ponderosa Pine trees attain heights of 150 to 230 feet with an average age of 350 to 500 years old. The Ponderosa Pine cone in known for its spike-like picks on the scales and the two triangular seeds under each scale. The cones vary in size from two and a half to six inches long. Sold in cases of 100.