The Q&A Archives: Spider Mites on Mint

Question: I found a small orange spider on my spearmint. Is this causing the dry, brown spots on it's leaves?

Answer: Sounds like your mint has been invaded by spider mites. They usually show up in very dry conditions (I know it's been dry in your area this spring). Small brown spots in the middle of the leaves are probably due to mites feeding, and dry edges are probably a sign of moisture stress. In the wild, mints inhabit moist places. Water your plot well, and cover the soil with a mulch that will help hold the water in. The mites may go away as the plants regain their health, but you can also try to reduce their numbers with strong sprays of water up under the plant leaves. Best of luck!

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