| Iris
'Katie-koo' | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers |
Ref:1851
|
| Lupinus The Governor
'The Governor' | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers |
Ref:1871
|
| Camassia leichtlinii
Lady Eve Price
Bear's Grass, Camassia | Dark blue flowers (Spring), Medium Green foliage, Herbaceous Flowers, Bulb |
Ref:1873
|
| Iris
'Licorice Stick' | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers |
Ref:1875
|
| Iris sibirica
'Tropic Night' | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers |
Ref:1876
|
| Geranium sylvaticum
Mayflower
Cranesbill | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers, Ground cover |
Ref:1878
|
| Salvia transsylvanica
'Blue Spire' | Dark blue flowers (Summer late), Medium Green foliage, Herbaceous Flowers |
Ref:1902
|
| Agapanthus Midnight Blue | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers |
Ref:1903
|
| Geranium clarkei
'Kashmir Blue'
Cranesbill | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers, Ground cover |
Ref:1991
|
| Iris
'Blue Rhythm' | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers |
Ref:2020
|