September 5, 2013
I have noticed in the past month that the leaves on my Montausk daisies have been turning yellow. Could I be watering them too much or watering them incorrectly, i. e. “black spot” on my roses? Thank You.
September 9, 2013
Plants can have yellow leaves for many reasons. It is kind of a general distress symptom, like fever is in humans.
Can you give us any other symptoms you might be seeing? Are you seeing leaf spotting or what is the pattern of yellowing you are seeing?
Here is an article on why plants may yellow: