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.
Answer #1 Â· John Heider's Answer Â· Hi Linda-There are a few things that can cause yellowing of leaves on your Hydrangea. Nitrogen, or iron deficiencies can cause yellowing. The hydranges likes a more acid soil and if the pH level goes up (more Alkaline) the amount of iron in the soil is less available to your plant.