Dhara Seeds
$16.99
Unit price perEstimated Free Delivery between July 05 and July 08.
Secured Payment Methods
Your transaction is protected with advanced security measures to keep your information confidential
Eryngium Planum, commonly known as Sea Holly (Seestechpalmen Blau), is a perennial plant prized for its architectural blue blooms and drought tolerance. Perfect for borders, garden beds, and xeriscaping, this variety adds unique texture and visual interest to outdoor spaces. Its low-maintenance growth makes it ideal for gardeners seeking ornamental, pollinator-friendly flowers.
Features
• Produces striking blue architectural blooms
• Ideal for drought-tolerant landscaping, borders, and garden beds
• Long-lasting flowering season
• Low-maintenance and easy to grow
• Attracts pollinators including bees and butterflies
Specifications
Scientific Name: Eryngium planum
Common Name (US): Sea Holly Blue
Plant Type: Perennial
Flower Color: Blue
USDA Hardiness Zones: 4–9
Plant Height: 18–36 inches
Blooming Season: Summer
Planting Guide
Light Requirements: Full sun
Soil Type: Well-drained, sandy or loamy soil
Watering: Low; drought-tolerant once established
Germination Time: 14–21 days
Spacing: 12–18 inches apart
Sowing Method: Sow directly outdoors after last frost or start indoors 6–8 weeks before frost
Ideal Temperature: 60–75°F (15–24°C)
Maintenance Tips: Remove spent flowers to encourage continuous blooming; prune lightly in early spring to maintain shape; perfect for drought-tolerant and pollinator-friendly garden designs