I repotted my basil plant yesterday as it was in a small seedling bag. Today when I checked on my plant, all of the leaves even the small ones that are growing, had black dots all over. Please help I’m a newbie plant parent. I also live in a tropical country so frost is out of the question.
I had a similar issue with my basil, and from my research, I think it was a fungus. I also had aphids, though mostly on my neighboring cilantro plants. I cut off all leaves on my basil plants and sprayed with soapy water (read this could help get rid of aphids) every two days. Many of the next leaves that grew in did not have the black spots anymore, but not all.
Background: Also a fairly new gardener so my knowledge is very limited. My basil, which I didn’t use much so didn’t put a lot of effort into problem solving, was planted along with cilantro in a wood wine box outdoors. I also live in a warm climate so frost could not have been a culprit.