New and Unread Tree-Mails
| My roses have black edges on the petal of the flowers. I have used Bayer treatment - what else can I do? They are well established healthy plants with beautiful deep red blossoms |
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The black margins indicate a fungal disease. You may want to try using Rose Defense, a neem oil based fungicide/insecticide. It should help keep your roses insect and disease free. |
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