Product Description

Overview

Blue Eryngium Plant Seeds grow into strong, architectural perennial plants known for their spiky silver-green foliage and vivid steel-blue cone-shaped blooms. Commonly called Sea Holly, Eryngium adds a dramatic, modern look to home gardens, borders, rock gardens, and dry landscapes. With excellent drought tolerance and long-lasting flowers that are perfect for fresh and dried arrangements, Blue Eryngium is both ornamental and highly practical for low-maintenance gardening.

Features

• Premium-quality, non-GMO Blue Eryngium Plant Seeds

• Produces striking steel-blue spiky cone-shaped blooms

• Ideal for home gardens, borders, rock gardens, and dry landscapes

• Strong germination with hardy perennial growth

• Excellent drought and heat tolerance once established

• Attracts bees, butterflies, and beneficial pollinators

• Perfect for fresh and dried flower arrangements

• Low-maintenance and beginner-friendly perennial plant

Specifications

• Plant Type: Perennial

• Common Name: Blue Eryngium, Sea Holly

• Scientific Name: Eryngium planum

• Variety: Blue Flowering Type

• GMO Status: Non-GMO

• Heirloom: Yes

• Growth Season: Spring–summer

• USDA Zones: 4–9

• Sun Exposure: Full sun

• Soil Type: Well-drained, sandy to loamy soil

• Bloom Time: Mid-summer to early autumn

• Plant Height: 18–36 inches

• Spacing: 12–18 inches

• Watering: Low to moderate (drought-tolerant once established)

Planting Guide

• Sowing Method: Direct sow outdoors or start indoors

• Seed Preparation: Light cold stratification for 2–4 weeks recommended

• Sowing Depth: Surface sow; lightly press into soil

• Germination Time: 14–30 days

• Ideal Temperature: 15–22°C

• Transplanting: Transplant outdoors once seedlings are strong and weather is mild