Eryngium planum – A thistle lovers seed growers guide. 

It takes 5-10 years for a garden to establish and much longer if your garden design includes a canopy of trees. Growing your own plants from 99p seed will ensure your garden continues to develop and establish its own identity without costing the earth.

Your garden will of course have ideas of its own! It will allow plants to thrive in some areas of your garden and die. Short lived shrubs and perennials actively change the structure of your garden.

More 99p perennial seeds here


Eryngium planum is a fine example of a short lived perennial that may appear it different areas of your garden. Sea holly sets seed freely and often comes true to type, contrasting its steely blue stems with other flowering hardy perennials like Rudbeckia, Alliums and Astrantia.   

Eryngium planum or sea holly may be an unexpected addition to your garden but it is sure to delight with its bright blue stems and flower bracts.
Plant with contrasting colour and depth of foliage to enjoy Eryngium planum at it’s best.

Purple cut leaf elder – Sambucus nigra Black Lace and Eryngium planum.

Eryngium planum prefers a full sun dry location and often compliments grasses like Miscanthus and Pennisetum or perennial summer colour with Inula compacta or Campanula.

Buy Eryngium planum seeds here iGrow my #perennials for just #99p Fresh #Seeds 🌱.



About Head Gardener 331 Articles
Award winning, 40 something year old professional plantsman and horticulturalist with National Trust, private parks and estate management background. My vast plant knowledge and hands on techinical experience, afforded me the opportunity to work in various horticultural landscapes, in the UK, USA & Eastern Europe. Having worked in both garden retail & the design service industry gave me the practical diversity and managerial skill set, required for running a large prestigious gardens and stately homes. I strongly believe knowledge is to be shared and have worked closely with people and staff of all ages and abilities keen to develop their passion for gardening, including groups of children, special needs and adults. I have hosted guided walks, talks and tours for those keen to learn about cultivated and wild plants, garden development, history and design. As an member of the NNCPG and National Trust, I am actively involved in the preservation of several important plant collections both in public and private gardens throughout the UK. “It’s a beautiful thing when a career and a passion grow together, in a garden it’s paradise” Follow @IGrowHort on GardenTags. Stephen is passionate about gardening as Head Gardener with a team of ten staff he manages a prestigious Cheshire country estate of 55 acres, inc wild flower meadows, woodland, organic kitchen and formal gardens. Follow Stephen today”

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