 | Nepeta racemosa
'Walkers Low'
Catnip, Nepeta |
| Herbaceous Flowers, Herbs, Ground cover, Culinary, Container-friendly, Spreading arching | Dark blue flowers (Summer early, scented), Grey foliage |
 | Cerinthe major
Purpurascens
Honeywort |
| Herbaceous Flowers, Ground cover, Container-friendly, Annual, Spreading clump | Dark blue flowers (Summer), Blue foliage |
 | Geranium clarkei
'Kashmir Blue'
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 X magnificum
Cranesbill |
| Herbaceous Flowers, Ground cover, Container-friendly, Rounded - Clump | 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 |
 | Salvia officinalis
'Purpurascens'
Purple Sage |
| Shrub, Herbs, Ground cover, Culinary, Container-friendly, Spreading | Dark blue flowers (Summer), Purple foliage |
 | Ceanothus
'Blue Jeans'
Californian Lilac, Ceanothus |
| Shrub, Ground cover, Rounded - Bush | Dark blue flowers (Summer early, scented), Medium Green foliage |