 | Cynara scolymus
Globe artichoke |
| Herbaceous Flowers, Herbs, Culinary, Spikey | Dark blue flowers (Summer), Silver foliage |
 | Erigeron speciosus |
| Herbaceous Flowers, Herbs, Ground cover, Culinary, | Dark blue flowers (Summer) |
 | Lithodora diffusa
'Star' |
| Herbaceous Flowers, | Dark blue flowers (Summer) |
 | Agapanthus
'Mabel Grey'
African Lily |
| Herbaceous Flowers, Spreading arching | Non-flowering |
 | Agapanthus
'Windsor Grey'
African Lily |
| Herbaceous Flowers, Spreading arching | Dark blue flowers (Summer) |
 | Iris
'Arctic Monkey' |
| Herbaceous Flowers, Spikey | Dark blue flowers (Summer), Medium Green foliage |
 | Iris sibirica
'Silver Edge' |
| Herbaceous Flowers, Spikey | Dark blue flowers (Summer), Medium Green foliage |
 | Iris
'Eleanor Claire' |
| Herbaceous Flowers, Spikey | Dark blue flowers (Summer), Medium Green foliage |
 | Iris
'Violte Icing' |
| Herbaceous Flowers, Spikey | Dark blue flowers (Summer), Medium Green foliage |
 | Salvia
'Khaleghi'
Sage |
| Herbaceous Flowers, Container-friendly, Spikey | Dark blue flowers (Summer late), Medium Green foliage |