 | Cerinthe major
Purpurascens
Honeywort |
| Herbaceous Flowers, Ground cover, Container-friendly, Annual, Spreading clump | Dark blue flowers (Summer), Blue foliage |
 | Anchusa azurea
'Loddon Royalist'
Bugloss, Alkanet |
| Herbaceous Flowers, Spreading clump | Dark blue flowers (Summer), Dark Green foliage |
 | Salvia patens
'Cambridge Blue'
Gentian Sage |
| Herbaceous Flowers, Spreading | Dark blue flowers (Summer), Medium Green foliage |
 | Geranium himalayense
Cranesbill |
| Herbaceous Flowers, Ground cover, Container-friendly, Rounded - Clump | Dark blue flowers (Summer), Medium Green foliage |
 | Geranium renardii |
| Herbaceous Flowers, Ground cover, Container-friendly, Rounded - Clump | Dark blue flowers (Summer), Medium Green foliage |
 | Geranium
'Johnsons Blue' |
| Herbaceous Flowers, Ground cover, Container-friendly, Rounded - Clump | Dark blue flowers (Summer), Medium Green foliage |
 | Geranium X magnificum
Cranesbill |
| Herbaceous Flowers, Ground cover, Container-friendly, Rounded - Clump | Dark blue flowers (Summer), Medium Green foliage |
 | Geranium sylvaticum
Mayflower
Cranesbill |
| Herbaceous Flowers, Ground cover, Container-friendly, Rounded - Clump | Dark blue flowers (Summer), Medium Green foliage |
 | Geranium clarkei
'Kashmir Blue'
Cranesbill |
| Herbaceous Flowers, Ground cover, Container-friendly, Rounded - Clump | Dark blue flowers (Summer), Medium Green foliage |
 | Scabiosa
'Butterfly Blue'
Sweet Scabious |
| Herbaceous Flowers, Container-friendly, Rounded - Clump | Dark blue flowers (Summer late), Medium Green foliage |