Planting Walnut Trees


English and Black Walnut Trees Planting, Spacing and Tree Population

Before planting, we have to label the tree positions in the field. As a rule of thumb, when we grow walnuts for wood, we shall plant the trees more closely than when we grow them for nuts. If we plant the trees in a dense scheme, the trees will mutually shade each other and their side and lower branches will not grow well. As a result, trees will grow straight and their main trunk will become longer. This is exactly what we desire when we grow walnuts for wood. On the contrary, when we grow walnuts for nuts (and secondly for wood), we want to promote side growth, vegetation and fruit set. Consequently we have to leave at least 14 feet distance between the trees, and hence plant fewer trees per acre.

Typical planting distances when we grow walnut trees for wood are 8 X 8 feet (2,4 X 2,4 meters), which result in 681 trees per acre, or 1702 trees per hectare. Typical distances when we grow walnut trees for nuts are 17 X 17 feet (5,2 X 5,2 meters), which result in 151 trees per acre, or 378 trees per hectare. However, most nut farmers thin (remove) the less vigorous and less productive trees, so that finally the planting distances become 25 X 25 feet (7,62 X 7,62 meters), which result in 70 trees per acre or 175 trees per hectare. Especially when cultivating black walnut for nuts, the thinning must eventually let on average 30 X 30 feet (9,1 X 9,1 meters) distances.

Many walnut farmers choose to cultivate another crop (for instance cereals) between the young walnut trees, so as to have an income during the first years of walnut orchard establishment. In this case, typical planting distances are 8 feet (2,4 meters) between the walnut trees in the row and 30 feet (9,1 meters) between the rows. These planting distances result in 182 trees per acre or 453 trees per hectare. Having a mixed orchard of walnut trees and another crop has been reported to result in lower yields than having pure nut orchards.

Labeling the tree positions is followed by digging and opening the holes. The holes have typically dimensions 1,5 X 1,5 feet (45 X 45 cm) and a depth of 2 feet (60 cm). Keep in mind that -in most cases- the young walnut trees are planted bare root and during spring. When we put the young trees in the holes, we also place the supporting stakes. The seedlings must be planted at roughly the same depth, as they were planted in the nursery, and then we have to put plenty of surface soil to the base of the root system of seedlings. When adding the soil, we have to press it gently, until the complete filling of the pits, so as to avoid causing damage to the young and sensitive root system. Planting is followed by the watering of seedlings. Many walnut farmers then add a small amount of well-rotted manure around the seedling base. They do this in order to prevent the germination of weeds’ seeds and to maintain adequate soil moisture. These two factors can significantly affect the growth of seedlings during their first years. In some cases, walnut growers place a special black weed-preventing mat around the base of the newly planted walnut tree.

You can enrich this article by leaving a comment or photo of your walnut trees planting methods, distances and trees population. 

Walnut Tree Facts

How to grow a Walnut tree from seed

Starting a Walnut Orchard

Walnut Tree Climate Requirements

Walnut Tree Soil Requirements and Preparation

Walnut Tree Propagation and Pollination

Walnut Tree Planting

Walnut Tree Thinning and Pruning

Walnut Tree Water Requirements

Walnut Tree Fertilizer Requirements

Walnut Tree Harvest and Yields

Walnut Tree Pests and Diseases

Q&As Walnut Trees

Do you have experience in cultivating walnut trees? Please share your experience, methods and practices in the comments below.

All the content you add will be soon reviewed by our agronomists. Once approved, it will be added to and it will influence positively thousands of new and experienced farmers across the world. The Greatest Free Online Farming Library

Connect with Wikifarmer

Sign up for our free newsletter

  • Wikifarmer News
  • Tips and advice from experts
  • Special offers and discounts

Contact us

     Wikifarmer Official

T: +44(0)7391105509


This email address is being protected from spambots. You need JavaScript enabled to view it.



Contact form


By using you agree to our cookie policy and terms of use. I understand