Garden Pests and Diseases: Knockout Roses issue, 0 by Elspeth6
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Image Copyright Elspeth6
Subject: Knockout Roses issue
Forum: Garden Pests and Diseases
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Elspeth6 wrote: My Knockout roses have developed some browning and yellowing. The areas are lower down on the bushes. Just wondering if this is a pest problem or something else. They have not needed water so it isn't overwatering. Thanks |