Sep 18, 2024 · 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.

Eryngium alpinum ‘Blue Star’ (Alpine Sea Holly) is an erect, herbaceous perennial with basal rosettes of heart-shaped, deeply toothed, glossy leaves. From mid-summer to early fall, sturdy leafy stems, tinged with gray blue, bear cone-shaped, thistle-like, silver-blue flower heads.

Blue Thistle is a unique accent stem that adds beautiful texture, unique interest, and rugged charm to flower designs. Its blue-toned spiky flower is exceptionally versatile and incorporates a little zest among delicate petals and fresh greenery, like a leather jacket paired with a sundress.

It grows in stiff erect clumps 1 to 3 feet tall and 1 to 2 feet wide and provides interest in the landscape with its unusual spiky flower heads that resemble a thistle. The name Eryngium is a Greek reference to the spiny nature of this genus of plants.

Blue Thistle is a unique accent stem that adds beautiful texture, unique interest, and rugged charm to flower designs. Its blue-toned spiky flower is exceptionally versatile and incorporates a little zest among delicate petals and fresh greenery, like a leather jacket paired with a sundress.

Their silvery-blue-green stems produce blue cones surrounded by silvery-blue bracts that bloom throughout the summer. These amazing plants are drought tolerant, deer and critter resistant, water-wise and attract butterflies like few other plants do.

Sea holly adds interest to the landscape with their unusual blue coloration and textural appearance. In ideal conditions, this is a profusely blooming summer perennial that attracts bees and butterflies. Sea holly is a great addition to beds …

Strong, solitary, upright stems are topped from mid-summer into fall (July-early October) with single, cone-shaped, thistle-like, blue flower heads (to 2” long) densely packed with tiny blue flowers.

Blue thistle is a popular accent stem for all kinds of wedding bouquets, boutonnieres, corsages, and flower crowns. Its texture and wild, rustic beauty fit seamlessly into various wedding styles, not limited to boho, country-western, vintage, and whimsical garden.

Blue Thistle is a unique accent stem that adds beautiful texture, unique interest, and rugged charm to flower designs. Its blue-toned spiky flower is exceptionally versatile and incorporates a little zest among delicate petals and fresh greenery, like a leather jacket paired with a sundress.