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Acanthus Plants

Q.White spots on acanthus leaves

Zone 85614 | Hugh Anderson added on October 5, 2017 | Answered

What are the white spots and what do I need to do about them?

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Certified GKH Gardening Expert
Answered on October 5, 2017

That sounds like powdery mildew. You can remedy this with neem oil, rosemary oil, garlic oil, and/or lavender oil. Here is an article for more information: https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm

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