Basil

Question

Plant is growing. Some leaves have brown marks on leaves. I do not ‘see’ any pest or bug etc. currently am picking affected leaves off.. can I use insecticide soap..would it help? Should I throw plants (2) away ? Thank you

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Answer 1

I would treat the soil for a fungal infection. You can do this by replacing 1/4 of your water with peroxide when watering. This will kill off anything lurking in the soil, as well as give extra oxygen to the roots.

Make sure that you only water when the top of the soil is almost completely dry. Basil can be moderately drought tolerant, but will quickly get an infection if left too wet for too long.