Blue Sea Holly
Eryngium alpinum
Grey-blue prickly flowers are long-lasting and add a special texture to the garden. Deer resistance and drought tolerance add versatility to this much loved perennial. No.1 size root.
| Bloom Time: | Early Summer - Early Fall |
|---|---|
| Hardiness Zone: | 4a - 7b |
| Height: | 18″ - 36″ |
| Colour: | Blue |
| Light Requirements: | |
| Attributes: |
