Image 1 of 5
Image 2 of 5
Image 3 of 5
Image 4 of 5
Image 5 of 5
Hazelnuts have fed civilizations for millennia. Hazelnut bushes can grow to between 10 and 25 feet. They are tolerant, and indeed thrive from, regular pruning, and with strategic pruning one can change its growth habit. Shrubs produce a nut that is a rich source of protein and carbohydrates for people, livestock, and wildlife alike.