Dianthus carthusianorum (German pink):
Tall stems ending in clusters of bright pink flowers above mounds of green, grassy foliage. Prefers sunshine. Hardy. Up to 50cm.
Filipendula palmata 'Nana':
Shorter form of meadowsweet with heads of frothy pink flowers above dark green divided foliage. Prefers moist well-drained soil. Hardy. Up to 40cm.
Origanum 'Rosenkuppel' (Oregano 'Rosenkuppel'):
A lovely cultivar with scented foliage and erect stems with dark pink/purple flowers. Loved by bees and butterflies. Non-edible form. Hardy. Up to 60cm.