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Oregano

Q.Black Spots

Anonymous added on May 26, 2011 | Answered

What causes black spots on oregano and also on spearmint?

Nikki

Certified GKH Gardening Expert

Answered on May 27, 2011

Are they in the ground or in a container? If they are in a container, it is likely black spot fungus. Treat them with neem oil. Here is more information on neem oil: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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Q.Black Spots

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