mexican heather is not getting new growth.
Mexican heather stayed green all winter but got no new growth and is very leggy with many dead stalks.
Certified GKH Gardening Expert
This could be a few different issues. Without photos, I will have to take a few guesses.
It could be that it received too much water over the winter. In this case, an infection could take over. A fungicide will be appropriate in this instance.
It could be a soil fertility issue, as well. Has this been fertilized, or at least planted in fertile soil amended with compost? If not, you may need to fertilize.
This article will give you an idea of the general care requirements of the plant: https://www.gardeningknowhow.com/ornamental/groundcover/false-heather/growing-mexican-heather-plants.htm