 | Salvia x sylvestris
'Mainacht'
Sage | Herbaceous Flowers, Ground cover, Container-friendly, Rounded - Clump | Blue flowers (Summer late) | Green foliage |
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 | Scabiosa
'Butterfly Blue'
Sweet Scabious | Herbaceous Flowers, Container-friendly, Rounded - Clump | Blue flowers (Summer late) | Green foliage |
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 | Iris unguicularis | Herbaceous Flowers, Spikey | Blue flowers (Summer) | Green foliage |
|
 | Vinca minor
Periwinkle | Herbaceous Flowers, Ground cover, Container-friendly, Spreading | Blue flowers (Summer) | Green foliage |
|
 | Symphytum caucasicum
Comfrey | Herbaceous Flowers, Herbs, Ground cover, Culinary, Container-friendly, Rounded - Clump | Blue flowers (Summer early) | Green foliage |
|
 | Lupinus
'Gallery Blue'
Lupin | Herbaceous Flowers, Rounded - Clump | Blue flowers (Summer) | Green foliage |
|
 | Iris sibirica
Siberian ris | Herbaceous Flowers, Spikey | Blue flowers (Summer) | Green foliage |
|
 | Delphinium
'Black Knight' | Herbaceous Flowers, Container-friendly, Rounded - Clump | Blue flowers (Summer late) | Green foliage |
|
 | Delphinium
'Summer Skies' | Herbaceous Flowers, Container-friendly, Rounded - Clump | Blue flowers (Summer late) | Green foliage |
|
 | Campanula
cochlearifolia | Herbaceous Flowers, Ground cover, Container-friendly, Spreading | Blue flowers (Summer) | Green foliage |
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