The needles or rosemary is turning brown all over. I have been very careful not to overwater and it has plenty of sunlight.
Why Is My Rosemary Bush Turning Brown?
Certified GKH Gardening Expert
It is possible the plant has a fungus, or it is also possible that the plant has too little water. This article will help with indoor care: https://www.gardeningknowhow.com/edible/herbs/rosemary/grow-rosemary-indoors.htm
Treat the plant with a fungicide to help with any fungus issues.