Eryngium yuccifolium
Common Names: rattlesnake-master
Family: Apiaceae
Features: 7
Rosette of sharply toothedsword-shaped leaves
Small, white thimble-like flower-heads
Sunlight: Full
Ultimate Height: 0.5 - 1 metres
Ultimate Spread: 0.1 - 0.5 meter
Flowering: Summer
Care:
Deadhead after flowers go over to prolong flowering.