 | Eryngium tricuspidatum
Sea Holly |
| Herbaceous Flowers, Container-friendly, Upright - Clump | Dark blue flowers (Summer), Silver foliage |
 | Onopordon acanthium
Scotch Thistle, Onopordon |
| Herbaceous Flowers, Spikey | Dark blue flowers (Summer), Silver foliage |
 | Centranthus ruber
Valerian, Centranthus |
| Herbaceous Flowers, Upright - Clump | Dark pink flowers (Summer), Silver foliage |
 | Anaphalis triplineruis
Pearls Everlasting |
| Herbaceous Flowers, Ground cover, Container-friendly, Rounded - Clump | White flowers (Summer late), Silver foliage |
 | Ballota pseudodictamnus
Shrubby Horehound |
| Herbaceous Flowers, Ground cover, Container-friendly, Spreading | Dark pink flowers (Summer early), Silver foliage |
 | Papaver pilosum
Papaver, Poppy |
| Herbaceous Flowers, Alpine, Rounded - Clump | Orange flowers (Summer late), Silver foliage |
 | Eryngium tripartitum
Eryngium |
| Herbaceous Flowers, Container-friendly, Upright - Clump | Dark blue flowers (Summer), Silver foliage |
 | Salvia candelabrum
Salvia |
| Shrub, Herbaceous Flowers, Upright - Clump | Dark blue flowers (Summer late), Silver foliage |
 | Lamium maculatum
'Beacon Silver'
Dead Nettle |
| Herbaceous Flowers, Ground cover, Container-friendly, Spreading | Dark pink flowers (Summer), Silver foliage |
 | Verbascum bombyciferum |
| Herbaceous Flowers, Herbs, Culinary, Container-friendly, Spikey | Yellow flowers (Summer late), Silver foliage |