| Iris
'Silver Beauty' | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers |
Ref:2024
|
| Muscari hyacinthoides | Dark blue flowers (Spring), Medium Green foliage, Herbaceous Flowers |
Ref:1684
|
| Salvia lavandulifolia
Salvia | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers, Ground cover |
Ref:1753
|
| Geranium X magnificum
Cranesbill | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers, Ground cover |
Ref:1800
|
| Nepeta sibirica
Catswort, Nepeta | Dark blue flowers (Summer, scented), Medium Green foliage, Herbaceous Flowers, Herbs, Ground cover, Culinary |
Ref:1806
|
| Nemesia denticulata
Nemesia | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers, Ground cover, Annual |
Ref:1816
|
| Agapanthus
'Sybil Harton' | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers |
Ref:1822
|
| Agapanthus Kingstone Blue | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers |
Ref:1825
|
| Veronicastrum virginicum
'Fascination'
Culver's Root 'Fascination' | Dark blue flowers (Summer), Medium Green foliage, Herbaceous Flowers |
Ref:1827
|
| Gentiana X stevenagensis
'Strathmore'
Gentian | Dark blue flowers (Autumn), Medium Green foliage, Herbaceous Flowers, Alpine |
Ref:1246
|