Eryngium planum
Blue Sea Holly
Description
Eryngium planum is a perennial. Stem leaves are blue tinted, with three to five lobes or sections. Rounded, 1/2-3/4 in. wide, light blue flower heads are surrounded by narrow blue-green bracts.
Sun
Full
Water
Medium
Growth Rate
Moderate
Soil Type
Sandy, Rocky
Soil Condition
Poor, Well-drained
Soil pH
Neutral, Basic
Adverse Factors
n/a
Water high water-use plants separately from low water-use plants.
Low water-use plants can grow with one-half the water needed by high water-use plants, and can be easily damaged from over watering.