Why Are The Leaves On My Salvia Changing To Clumps Of Tiny Leaves Concentrated On The Stems?

Question

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Answer 1

This is likely Rose Rosette Virus. It is known to infect a wide range of plants, including roses and other members of the Rosaceae family. Salvia plants are not immune to this virus and can become infected if exposed to it. These articles will help:

https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-rosette-disease.htm

https://www.gardeningknowhow.com/ornamental/trees/fir/rosette-bud-mites.htm