Bloom Color
Exposure
Height
Soil Type
Other Attributes
SEA HOLLY
Eryngium planum
Showy blue globes on silver stems. July – August. 2 – 3′ tall. Full sun, well-drained soil. Drought tolerant. Best in lean, dry soils. Avoid overwatering. Deer resistant. Attracts butterflies. Excellent cut & dried flower. Zone 4.