Aster x frikartii 'Monch':
Soft lavender blue flowers in late summer. Very early flowering and shorter than many asters at about 80cm. Easy and reliable.
Nepeta x faasenii (Catmint):
A compact variety of catmint with mounds of aromatic silvery green foliage and lavender blue flowers.Hardy. Up to 45cm.
Nepeta x faasenii 'Purrsian Blue':
A compact variety of catmint with mounds of aromatic silvery green foliage and lavender blue flowers.Hardy. Up to 45cm.