Eryngium

Why should you choose eryngium?

Eryngium plants, commonly known as sea holly, are a fantastic choice for gardeners looking to add unique texture, structure, and colour to their outdoor spaces. With their spiky bracts, central cones, and striking silvery-blue or green hues, eryngium brings a bold, architectural presence to any garden. Their thistle-like appearance provides a sculptural elegance that stands out in borders, gravel gardens, or naturalistic planting schemes.

One of the standout features of eryngium is its versatility. These hardy perennials thrive in well-drained soil and sunny locations, making them ideal for low-maintenance gardens. They’re also drought-tolerant once established, ensuring reliable performance in a range of conditions.

Beyond their garden appeal, eryngium is an excellent choice for cut and dried flowers. Their long-lasting blooms bring unique beauty to fresh arrangements and festive decorations, adding a touch of drama to your home. For gardeners seeking a resilient, eye-catching plant with year-round interest, eryngium bulbs are an excellent choice.

How to plant eryngium plants

Planting eryngium is straightforward, and with the right care, they’ll reward you with striking, architectural blooms. Follow these steps to ensure your sea holly thrives:

Choose the right location: Eryngium prefers full sun and thrives in well-drained soil. They are particularly suited to gravel gardens, borders, or areas with poor, sandy soil. Avoid planting in heavy or waterlogged conditions.

Prepare the soil: Loosen the soil and, if necessary, mix in grit or sand to improve drainage. Eryngium thrives in nutrient-poor soil, so avoid over-enriching with compost or fertiliser.

Water lightly: Water the area gently after planting to settle the soil. Once established, eryngium is drought-tolerant and requires only minimal watering, making it a great low-maintenance option.

Add mulch sparingly: If planting in colder regions, a thin layer of mulch can help protect the bulbs during winter. However, ensure the mulch doesn’t trap excessive moisture, as eryngium dislikes soggy conditions.

With these simple steps, your eryngium plants will establish well and bring bold, sculptural beauty to your garden. Their unique, spiky blooms will stand out in borders and add texture and interest to any outdoor space.

Why choose Peter Nyssen bulbs?

• We are a friendly, family-run business with more than 60 years of experience

• Our bulbs are packaged in compostable, starch-based bags where possible

• We offer bulk prices and free delivery for orders over £50

• We supply flower bulbs in quantities large and small, for all types of gardeners from the cottage potterer to the professional landscaper 

• With a range of colours and varieties available, you'll be spoilt for choice.

FAQs

When is the best time to plant eryngium?

The best time to plant eryngium is in spring or autumn when the soil is workable and not waterlogged. Planting in these seasons allows the roots to be established before extreme weather conditions.

Where does eryngium grow best?

Eryngium thrives in full sun and well-drained soil, making it ideal for gravel gardens, borders, or areas with poor, sandy soil. Avoid planting in heavy clay or overly rich soil, as it prefers nutrient-poor conditions.

Does eryngium need a lot of water?

No, eryngium is drought-tolerant once established and thrives in dry conditions. Water lightly after planting to help the bulbs settle, but avoid overwatering, as they dislike soggy soil.

Can eryngium be used as a cut flower?

Yes, eryngium is excellent for cut and dried flower arrangements. Its long-lasting, spiky blooms add unique texture and structure, making them perfect for floral displays and festive decorations.

Need more help?

Add striking structure and bold texture to your garden with our eryngium bulbs. Perfect for borders, gravel gardens, or naturalistic planting schemes, these unique perennials bring a touch of architectural elegance with their spiky blooms and silvery-blue tones. Whether in the garden or as cut flowers, eryngium offers lasting beauty and versatility.

Browse our collection of premium eryngium bulbs today and transform your garden with their sculptural charm. For planting tips and care advice, explore our eryngium planting guide or get in touch with our team—we’re here to help!