Certified GKH Gardening Expert
What color does it bloom, or does it? There are many types of rosemary, so it is definitely possible that this could be another variety. This article may help you determine what you have: https://www.gardeningknowhow.com/edible/herbs/rosemary/rosemary-plant-varieties.htm
My rosemary blooms white. It is probably another variety of Rosemary!