As the oldest university in the state of Ohio, the campus has evolved rapidly in the city center of Columbus, now the third largest city in the Midwest. Capital's 3,600 students benefit from the opportunity to explore its metropolitan surroundings and the many social and cultural experiences available.
Blight is a fungal disease that causes the leaves of boxwoods to become spotted and then turn brown. This fungal disease causes massive defoliation on infected specimens. There is no known cure for this problem; infected plants and roots must be removed and discarded, not composted.
The tans and browns of oaks are caused by tannins which accumulate as the chlorophyll disappears. Fall color starts in September with poison ivy and sumac and ends in November with the larches and weeping willows. Frost and freezing temperatures will stop the coloration process and blacken the leaves. Source: Barbara Larson, Extension Educator, Horticulture. Morton Arboretum: Why Leaves Change Color.