 | Ceanothus Darkstar
Californian Lilac |
| Shrub, Rounded - Bush | Dark blue flowers (Summer, scented), Medium Green foliage |
 | Ceanothus
'Blue Jeans'
Californian Lilac, Ceanothus |
| Shrub, Ground cover, Rounded - Bush | Dark blue flowers (Summer early, scented), Medium Green foliage |
 | Hebe pimeleoides
'Quicksilver'
Hebe |
| Shrub, Ground cover, Alpine, Container-friendly, Spreading | Dark blue flowers (Summer early), Silver foliage |
 | Hebe Blue Clouds
Hebe |
| Shrub, Ground cover, Container-friendly, Spreading | Dark blue flowers (Summer late), Medium Green foliage |
 | Salvia candelabrum
Salvia |
| Shrub, Herbaceous Flowers, Upright - Clump | Dark blue flowers (Summer late), Silver foliage |
 | Salvia officinalis
'Tricolor'
Variegated Sage |
| Shrub, Herbs, Ground cover, Culinary, Container-friendly, Spreading | Dark blue flowers (Summer), Variegated Multicolour foliage |
 | Rosmarinus officinalis
'Primley Blue'
Rosemary |
| Shrub, Herbs, Culinary, Rounded - Bush | Dark blue flowers (Summer early), Blue foliage |
 | Rosmarinus officinalis
Rosemary |
| Shrub, Herbs, Hedging & Screening, Culinary, Container-friendly, Rounded - Bush | Dark blue flowers (Summer), Blue foliage |
 | Rosmarinus officinalis
'Sissinghurst Blue'
Rosemary |
| Shrub, Herbs, Hedging & Screening, Culinary, Container-friendly, Rounded - Bush | Dark blue flowers (Summer), Blue foliage |
 | Rosmarinus officinalis
'Jackmans Prostrate'
Prostrate Rosemary |
| Shrub, Herbs, Ground cover, Culinary, Container-friendly, Spreading | Dark blue flowers (Summer), Medium Green foliage |