Mexican Sea Holly
Eryngium proteiflorum
PAMSH
Mexican Sea Holly is a striking, architectural perennial prized for its spiky, silvery-blue flower heads and bold, thistle-like foliage. Blooming through summer, its unique flowers sit atop tall, sturdy stems, adding texture and contrast to garden beds and floral arrangements. The plant’s dramatic appearance makes it a standout feature in both modern and cottage-style landscapes.
$12.95
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Product information
Thriving in full sun, Mexican Sea Holly prefers well-drained soils and is highly tolerant of heat, drought, and coastal conditions once established. It performs best in sandy or gravelly soils and dislikes excessive moisture or heavy clay. Minimal maintenance is required—simply remove spent flower stems to encourage continued blooming.
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Product Information
Thriving in full sun, Mexican Sea Holly prefers well-drained soils and is highly tolerant of heat, drought, and coastal conditions once established. It performs best in sandy or gravelly soils and dislikes excessive moisture or heavy clay. Minimal maintenance is required—simply remove spent flower stems to encourage continued blooming.
How to grow
Highly tolerant of heat, wind, and poor soils, this plant thrives in full sun and well-drained conditions. Once established, it is drought-hardy and low maintenance, making it an excellent choice for water-wise gardens
Growing information