The Black Walnut (Juglans nigra)
Height: 50'-75', Spread: same. Well formed trunk with oval crown. Prefers rich, moist soils. Often found on bottomlands. Difficult to transplant. Should be started as seedling. Produces toxins which are poisonous to many plants giving it an advantage in open field situations but creating problems for gardeners. Nuts are eaten by woodpeckers, foxes, and squirrels.