This grower is fairly sure of this plant identification.
a good healthy clump that needs a good home, it is a dark pink from September to first frost.
Showy stonecrop, Ice plant, Stonecrop
Sedum spectabile (Showy stonecrop). This is a perennial which is durable and long-lived. It will produce profuse large, flat clusters of tiny flowers in the summer and will bloom into the autumn.
They will range from frost tender to fully frost hardy. They prefer to grow in fertile, porous soil, but can grow in most soil types. They will need full sun.
Rock garden, border, walls, ground cover Summer/Autumn interest. Suitable for coastal conditions.