The leaves on this rosebush turned brown and the blossoms dried up due to gray mold and “black spot.” Photo courtesy UC Master Gardeners. If you’re a gardener in Santa Clara Valley and the Peninsula, ... Q: While deadheading our rose bushes I found what appears to be rust.

Understanding the Context

What causes this and is there anything I can do to prevent it? - Cliff Bjornstad, Fargo A: Rust is a fungus disease and by your ... Southern Living on MSN: What’s eating your roses? Here’s how to find out and stop it What’s eating your roses?

Key Insights

Here’s how to find out and stop it Palo Alto Weekly: Ask a Master Gardener: Is there such thing as ‘sudden rose death?’ Ask a Master Gardener: Is there such thing as ‘sudden rose death?’ DEAR GARDEN COACH: I have roses that all had mildew, all year, even though they were all labeled “disease resistant.” I put systemic fertilizer and did some spray and it didn’t help. It did not keep ...