The Q&A Archives: Your Yellow Flower Carpet Roses have Black Spot, why???????

Question: I purchased 26 yellow flower corpet roses from a nursery that sells your product and within a short period of time they developed

Answer: Unfortunately even the most disease resistant plants will not be disease proof/fully immune, and this is especially true if conditions are right for the problem to develop. (The northeastern part of the country is notorious for black spot.)Since Monrovia is a wholesale-only nursery, I can only suggest you consult directly with the nursery where you purchased them if you are dissatisfied with the plants. Also, your local county extension may be able to help you develop a control program for your plants. I am sorry this has happened to your roses.

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