Rosemary

Question

Have ‘lost’ three or four plants in the last two years. Seem healthy through the spring and summer but they die in the winter. In well draining pots of soil and not overwatered so a mystery

Answer 1

What zone are you in? It could be possible that it is getting too cold for this. In the meantime, here is an article that will help you on the care of these: https://www.gardeningknowhow.com/edible/herbs/rosemary/growing-rosemary-plants-rosemary-plant-care.htm