What are the best soil types for the genetically-superior black walnut trees?
There are hundreds of soil types in which these trees will grow well. Generally, any well-drained, rich soil will suffice. Check the soil map for your area. You can send us the soil book for your county and the soil map of your site. We will give you recommendations based on our experience. There is no charge for this service. 16. What type of root system do they have? They have a deep tap root system. 17. How far apart should they be planted? The old strategy was to overplant and then thin out the inferior trees. With the genetically-superior black walnut trees, this is unnecessary. Also, planting fewer trees allows you to interplant with other crops. We recommend planting no closer than 20′ by 15′ for the grafts and 15′ by 15′ for the seedlings. 18. If the trees grow too fast, will the quality of veneer suffer? This is a common misconception, according to a study by USDA Forest Service’s Forest Products Laboratory. They found increased lignin, higher specific gravity, darker color an
