My basil plants (leaves) turn black and die.

I have removed all of the affected leaves but when they grow back, they turn black again. I have used need oil and other sprays but nothing will stop it.

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1 Comment To "My basil plants (leaves) turn black and die."

#1 Comment By BushDoctor On 06/24/2018 @ 8:15 pm

It sounds like you are going to have to remove the soil from the area, or container, if possible, and treat for a fungal infection.

During wet seasons, or if overwatered just a little too much, these plants can suffer infections quite easily. Make sure the soil is almost completely dry between watering, as these are quite drought hardy.

I would recommend treating the area, or fresh soil with dolomitic lime and wettable sulfur to help with spot treatment, and prevention for future infection. I give all of my plants these at least once per year for the same reason.

This collection of articles will help: https://www.gardeningknowhow.com/edible/herbs/basil ^[1]

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