Amethyst Sea Holly has leathery, blue-green leaves with medium-tall stems bearing striking thistle-like, steel-blue flowers and matching bracts. The flowers appear in mid summer and remain effective until fall. An eye-catching garden accent!
![](https://waterthriftyplants.com/wp-content/uploads/2013/06/Eryng-amethystinum.jpg)
Amethyst Sea Holly has leathery, blue-green leaves with medium-tall stems bearing striking thistle-like, steel-blue flowers and matching bracts. The flowers appear in mid summer and remain effective until fall. An eye-catching garden accent!