Why are genetically-superior black walnut tree grafts so expensive?
The genetically-superior black walnut trees are the culmination of almost three decades of research and development. Thousands of trees had to be planted and genetically-selected before the product could be produced. Collecting scion wood, grafting, operating greenhouses in winter, and so forth are very costly. Besides, the cost is negligible compared to the likely payback. Advanced Tree Technology is continuing this research in our own research plots. We are constantly upgrading to the best reproduction methods available. We are also consulting with the U.S. Forest Service and various universities on tree improvement programs. 14. What is the expected average height and diameter of the genetically-superior black walnut trees? At the present rate of growth, according to periodic measurements, we estimate that in 35 years, the grafts will reach 60 to 90 feet in height and about 18 to 25 inches in diameter. Genetically-superior black walnut seedlings should attain that size five to ten y
