Product Description

Overview

Blue Eryngium Alpinum Plant Planting Seeds grow into dramatic alpine perennial plants admired for their electric steel-blue cone-shaped blooms surrounded by spiky, silver-blue bracts. Also known as Alpine Sea Holly, this rare ornamental is highly valued for its bold texture, strong color, and excellent performance in dry, sunny gardens. Perfect for rock gardens, borders, containers, and floral cutting gardens, Blue Eryngium Alpinum adds striking structure and long-lasting visual impact to any landscape.

Features

• Premium-quality, non-GMO Blue Eryngium Alpinum Planting Seeds

• Produces intense steel-blue alpine thistle-style blooms

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

• Strong germination with hardy perennial growth

• Excellent heat and drought tolerance once established

• Unique architectural form for modern garden designs

• Excellent for fresh and dried flower arrangements

• Low-maintenance and beginner-friendly flowering perennial

Specifications

• Plant Type: Perennial

• Common Name: Blue Eryngium Alpinum, Alpine Sea Holly

• Scientific Name: Eryngium alpinum

• Variety: Alpine Blue Flowering Type

• GMO Status: Non-GMO

• Heirloom: Yes

• Growth Season: Spring–summer

• USDA Zones: 5–9

• Sun Exposure: Full sun

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

• Bloom Time: Mid-summer to early autumn

• Plant Height: 24–36 inches

• Spacing: 12–18 inches

• Watering: Low (highly drought-tolerant once established)

Planting Guide

• Sowing Method: Start indoors or direct sow outdoors

• Seed Preparation: Cold stratification for 3–4 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 frost risk has passed