Rockery Plant Ideas please

[LIZS]

Have created a rockery bed on a north facing slope, partly shaded by a laurel hedge. Any ideas for planting please? Have a few heathers but not sure what else to include, bulbs perhaps.

I have planted Armeria, thrift it continues to flower all season, pink and white versions, as long as you dead head. They’re a very hardy plant.
Creeping Thyme is lovely and the bees adore it.
Little pockets of succulents also do well.