I have a beautiful walnut tree that has always given walnuts every other year. This year I can see walnuts again, although I had them last year also. What's going on?
Certified GKH Gardening Expert
Several cultural factors can influence flower production, fruit set, and fruit maturation. Because female flowers are formed within the dormant buds when the current year's nuts are rapidly enlarging and filling, the immature flowers must compete with the nuts for carbohydrates produced by the leaves. Cultural practices such as fertilization increase the number of new flowers formed in the buds.