This grower is sure of this plant identification.
3 plants in one pot, one in other. Cyprus endemic
Rock cress, Wall cress
Arabis genus (Rock cress). This is a genus of robust herbaceous or evergreen perennials or annual plants in the cabbage family. The leaves are spatula shaped and will produce delicate flowers through the spring and summer.
Fully to frost hardy.
Excellent ground cover in a rock garden.
More unusual plants, rockery plants native plants, species not hybrids or highly selected varieties.