can I do to help them?
My Ice Plants Were Looking So Beautiful for Three Weeks. Now They Are Brown Flowers. I Think I Might of Watered the to Often,What
Certified GKH Gardening Expert
If they are dying due to being overwatered, then it is likely that the soil has a fungal infection. The best thing to do now would be to add wettable sulfur and dolomitic lime to help it recover. Only water when the soil is almost completely dry.
This article will give you more information on their care in the future: https://www.gardeningknowhow.com/ornamental/flowers/ice-plant/growing-hardy-ice-plant.htm