Southern Globe Thistle Seeds - Flower Plant

Southern Globe Thistle is a hardy ornamental perennial admired for its perfectly rounded, steel-blue flower heads and attractive silvery-green, deeply lobed foliage. Blooming from early to late summer, it adds striking texture and architectural interest to borders, cottage gardens, pollinator gardens, rock gardens, and cut flower beds. The nectar-rich blooms attract bees, butterflies, and other beneficial pollinators, while the long-lasting flowers are excellent for fresh and dried floral arrangements.

Features

• Produces distinctive spherical steel-blue flower heads
• Attractive silvery-green foliage
• Excellent for borders, cottage gardens, and rock gardens
• Ideal for fresh and dried flower arrangements
• Attracts bees, butterflies, and other pollinators
• Drought tolerant once established
• Low-maintenance and long-blooming perennial

Specifications

• Scientific Name: Echinops ritro
• Common Name (US): Southern Globe Thistle / Globe Thistle
• Seed Type / Variety: Blue Flowering Perennial Variety
• Growth Habit: Upright clump-forming perennial
• USDA Zones: 3–8
• Planting Season: Spring or Fall
• Growing Season: Spring through Summer
• Sowing Season: February–April or September–October
• Germination Time and Conditions: 14–28 days at 65–70°F (18–21°C); lightly cover seeds with soil and keep evenly moist until germination
• Sunlight Requirements: Full sun
• Soil Requirements: Well-drained sandy, loamy, chalky, or gravelly soil
• Watering Needs: Low to moderate; drought tolerant once established
• Mature Plant Size: 36–48 inches tall, 18–24 inches spread
• Plant Spacing: 18–24 inches apart