 | Nepeta x faassenii
'Six Hills Giant'
Catmint | Herbaceous Flowers, Herbs, Ground cover, Culinary, Container-friendly, Spreading | Blue flowers (Summer, scented) | Grey-Silver foliage |
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 | Echium wildpretii | Herbaceous Flowers, Spikey | Blue flowers (Summer) | Grey-Silver foliage |
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 | Eryngium tricuspidatum
Sea Holly | Herbaceous Flowers, Container-friendly, Upright - Clump | Blue flowers (Summer) | Grey-Silver foliage |
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 | Nepeta racemosa
'Walkers Low'
Catmint | Herbaceous Flowers, Herbs, Ground cover, Culinary, Container-friendly, Spreading | Blue flowers (Summer, scented) | Grey-Silver foliage |
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 | Eryngium tripartitum | Herbaceous Flowers, Container-friendly, Upright - Clump | Blue flowers (Summer) | Grey-Silver foliage |
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 | Astelia chathamica
Silver Spear | Herbaceous Flowers, Grass, Container-friendly, Spikey | Non-flowering | Grey-Silver foliage |
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