| Helleborus feotidus
Stinking Hellebore, Helleborus |
| Herbaceous Flowers, Upright - Clump | Green flowers (Winter, scented), Dark Green foliage |
| Verbena bonariensis
Verbena |
| Herbaceous Flowers, Spikey | Purple flowers (Summer), Dark Green foliage |
| Kniphofia
'Primerose Beauty'
kniphofia, Red Hot Poker |
| Herbaceous Flowers, Spikey | Yellow flowers (Summer), Dark Green foliage |
| Kniphofia
'Dorset Sentry'
kniphofia, Red Hot Poker |
| Herbaceous Flowers, Spikey | Yellow flowers (Summer late), Dark Green foliage |
| Campanula lactiflora
'Prichard's Variety'
Campanula, Bellflower |
| Herbaceous Flowers, Ground cover, Container-friendly, Spreading arching | Dark blue flowers (Summer early), Dark Green foliage |
| Aster novi - belgii
'Ada Ballard'
Aster Daisy |
| Herbaceous Flowers, Spreading clump | Dark blue flowers (Summer late), Dark Green foliage |
| Eryngium variifolium
Compact Sea Holly |
| Herbaceous Flowers, Ground cover, Spreading clump | Non-flowering, Dark Green foliage |
| Paeonia lactiflora
'Jan van Leeuween'
Peony, Paeonia |
| Herbaceous Flowers, Upright - Clump | Dark pink flowers (Summer), Dark Green foliage |
| Allium
'Purple King'
Allium |
| Herbaceous Flowers, Container-friendly, Spikey | Purple flowers (Summer early), Dark Green foliage |
| Lysichiton americanus
camschatcensis
Bog Arum, Skunk cabbage |
| Herbaceous Flowers, Spreading clump | White flowers (Spring, scented), Dark Green foliage |