2024年9月18日 · Sea holly (Eryngium planum) is a perennial flower that looks like a glowing thistle, with striking steely-blue color. It is excellent for dry soils.

Sea hollies (Eryngium) have spiky leaves and thistle-like flowers in colours ranging from grey to intense cobalt blue, surrounded by a characteristic 'ruff'. They make striking garden plants and have excellent wildlife value, particularly for pollinators.

Attractive, Sea Holly plants (Eryngium) are striking ornamental perennials grown for their arresting, thistle-like, silvery, or blue-tinted flower heads adorned with a ruff of showy bracts.

2024年12月10日 · How to Grow Sea Holly: Drought tolerant and easy-care, sea holly's striking perennial blooms sparkle in any sunny garden. Learn how to grow this unique plant here!

Sea holly is tolerant of poor or dry soils, and its spiny leaves are resistant to browsing by rabbits and deer. It withstands salty, coastal winds and also does well in inland gardens. Use in small groupings in a cottage garden, rock garden or as a specimen in a perennial border planting.

2022年10月19日 · There are 250 species of sea holly varieties to choose from, spanning dainty ground-covering breeds and towering statuesque spikes. Often associated with coastal gardening, these showstopping perennials are so hardy and adaptable that they can work in all manner of modern flower beds and free-flowing displays.

2023年7月14日 · In this article, I’ll share the entire process of growing eryngium from seed to bloom. You’ll learn everything you need to know, including germination, soil requirements, watering needs, and more for your sea holly plants. Let’s get started! Sea holly (E. planum) flower blooming – spiky blue flowers.

Written by our research team, this reference contains the essential information for growing Eryngium planum (sea holly) from seed. Read more for a successful harvest!

Eryngium, commonly known as Sea Holly, is an ornamental perennial cherished for its thistle-like appearance, silvery or blue-tinted flower heads, and showy bracts. Its steel blue foliage and captivating blooms add a unique and striking element to gardens.

2025年1月22日 · Sea holly (Eryngium planum) is a tough plant, surviving in extreme cold and poor soils. It has thick, spiky leaves and steel blue or white flowers that resemble thistle plants. The plant gets its name because the foliage resembles holly leaves, while it thrives in coastal areas or in sandy soils.