Plants in the genus Eryngium are characterized by spiny basal rosettes with conspicuous white veins. Rounded nubs of thistle-like flowers are borne on branched stems.
Noteworthy CharacteristicsWonderfully sculptural accents with icy blue to ghostly silver toothed bracts and flower heads, which persist for a long time.
CareDepends on species, either dry or wet soil, in full sun.
PropagationSow seed in containers when ripe, divide plants in spring (plants are slow to recover).
ProblemsRoot rot, slugs, snails and powdery mildew.