Answer: Salvia microphylla 'Hot Lips' is native to Mexico and loves dry heat; high humidity can cause the foliage to collapse. I know you've recently had some hot weather in Seattle so I wonder if the container it is planted in is in direct sunshine. Summer sun can overheat a container and literally bake the roots. So, while your sage plant loves full sunshine, it won't tolerate hot feet. I'd cut the plant back to healthy stems and then group some more containers around to shade the container from hot summer sunshine. With any luck at all your sage will recover and once again grace your deck with beautiful color. Hope so!
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