What Causes the Black Spots on Hydrangea Leaves?

Answer

Black spots occur on Hydragea leaves as a result of fungus infections. Too much exposure to the sun can as well make the leaves have dark spots. To treat this, you will be required to use a fungicide and prevent the plant from too much sun exposure.
Q&A Related to "What Causes the Black Spots on Hydrangea Leaves..."
According to the Alabama Cooperative Extension System, infected leaves spread the fungus Cercospora hydrangeae, which cause the disease known as Cercospora leaf spot. Another common
http://www.ehow.com/facts_7601539_causes-brown-spo...
black spots can be caused either by rashes, acne, or sunburns.
http://wiki.answers.com/Q/What_causes_black_spots_...
Hi Becky, Based on your description, the round dark spots are generic symptoms that leaves develop when they are under stress. The spots will either get larger and spread or the leaves
http://en.allexperts.com/q/House-Plants-721/Rubber...
Blackspot, "Diplocarpon rosae" is a nasty fungus that manifests itself on
http://www.chacha.com/question/what-are-the-black-...
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