What is wrong with my clematis plant?

Question

The bottom leaves of my clematis are turning yellow and have powdery substance on it. How can I save it?

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Answer 1

I'm afraid that this is a little more sinister than powdery mildew. Downy mildew can be a little more detrimental to the health of the plant.

This article will help you to get rid of this: https://www.gardeningknowhow.com/plant-problems/disease/downy-mildew.htm