OREGON WALNUTS 



A well developed walnut tree. 



planted, very little damage will result from frost. In choos- 

 ing the orchard, however, one should bear in mind that good air 

 drainage is essential and that if the trees are planted in frost 

 pockets there will be damage during certain years, despite the 

 fact that the French strains bloom so late. In some of the moun- 

 tain sections, there is a possibility that the extreme rains, both 

 in the spring and fall, might have an influence on the yields. 

 The walnut should not be planted where there are extremes of 

 heat in summer. This tends to cause a burning of the nuts 

 and will often result in a poorly filled nut. 



Soil: The walnut is a deep rooted, heavy feeding plant and 

 should, therefore, be planted in deep, rich, moisture-retaining 

 soils. There are many types of soil found in western and south- 

 ern Oregon, and undoubtedly we will find as time goes on that 

 certain soils that have heretofore been held as not suitable for 

 walnut culture will be found to be producing commercial crops. 

 The red hills and river bottoms, at the present time, are the 

 principal producers of this crop, and where these soils are deep, 



