Eryngium planum blue thistle — steely blue branching stems with spiky thistle-like flower heads and metallic blue bracts in a clear glass vase in front of a bright window with white sheers

Blue Thistle Seeds — Eryngium planum

$4.50
$4.50
Skip to product information
Eryngium planum blue thistle — steely blue branching stems with spiky thistle-like flower heads and metallic blue bracts in a clear glass vase in front of a bright window with white sheers
  • Eryngium planum blue thistle — steely blue branching stems with spiky thistle-like flower heads and metallic blue bracts in a clear glass vase in front of a bright window with white sheers
  • Blue Thistle — Eryngium planum, steel-blue thistle-like flower heads with spiky metallic bracts
  • Eryngium planum blue thistle — steely blue branching stems with spiky thistle-like flower heads and metallic blue bracts in a clear glass vase in front of a bright window with white sheers
  • Blue Thistle — Eryngium planum, steel-blue thistle-like flower heads with spiky metallic bracts
Blue Thistle Seeds — Eryngium planum

Blue Thistle Seeds — Eryngium planum

$4.50
$4.50

Architectural Steel-Blue Blooms for the Cottage Border

Blue Thistle (Eryngium planum) is a striking architectural perennial producing clusters of small, steel-blue thistle-like flower heads surrounded by spiky metallic bracts. The entire plant takes on a beautiful blue-silver hue as it matures, adding drama and texture to the summer border. Superb fresh or dried, and a favourite of bees and butterflies.

Why Gardeners Love It

  • 🔵 Striking steel-blue blooms — metallic, architectural flower heads with spiky bracts
  • 🐝 Pollinator magnet — bees and butterflies love the nectar-rich flowers
  • 🌾 Superb dried flower — retains its colour and form beautifully when dried
  • ✂️ Excellent cut flower — adds dramatic texture to fresh and dried arrangements
  • ☀️ Drought tolerant once established — thrives in dry, sunny conditions
  • 🌿 Long-lived perennial — returns year after year with increasing presence

Growing Tips for New Zealand

Sow in autumn or early spring. Seeds benefit from a period of cold stratification — refrigerate damp seeds for 4 weeks before sowing to improve germination. Eryngium prefers a sunny position with well-drained, even poor soil. Avoid overwatering and heavy clay soils. Plants flower from their second year. Excellent for Canterbury, Hawke's Bay, Nelson, and other drier NZ regions.

What's in the Packet

Each packet contains 10 seeds of Blue Thistle (Eryngium planum), with growing instructions included.

You may also like