12+ Basil Plant Leaves Turning Brown. Leaves turn brown or gray, starting with the yellowing of the top leaf on the plant. I googled and it seems that basil does turn woody after some time but the leaves on these browned stalks look really unhealthy, like i haven't been good airflow round the plant helps to keep this at bay, but there is no effective fungicidal treatment once its got a hold.
The leaves can dry and curl although in moist conditions a white fungal.
Perhaps you've already noticed from your plant's appearance right now. You can also just have brown leaf lips if you are not properly watering. Why your houseplant's leaves are turning brown and what to do to prevent or fix the problem. However, one of the main columns of the plant is becoming increasingly.