A very unique form with elongated, wavy-edged blue leaves that form a cascading mound, 'Neptune' will also produce lavender flowers in July.
| Perennial | |
| Hosta | |
| Plantain Lily | |
| Zone 3 | |
| 2-8 hours | |
| Clay, Dry, Moist, Sandy | |
| Plant with Astilbe and Tradescantia | |
| Plant with Cimicifuga and Carex | |
| 22-24" | |
| 36-38" | |
| Summer | |
| Purple | |
| Moderate | |
| Mound | |
| Plant-tone | |
| Yes | |
| Yes | |
| Astilbe, Tradescantia, Actaea, Carex |