50 Dark Blue Delphinium Seeds Perennial Garden Flower Bloom

Grow stunning dark blue delphinium blooms in your garden.

These perennial seeds produce tall spikes of vibrant flowers, perfect for borders or cut flower arrangements.

USDA Zone: 3-7
Light: Full sun to partial shade
Water: Moderate, keep soil evenly moist

Sow seeds indoors 8-10 weeks before last frost or direct sow after danger of frost. Germination in 14-21 days at 60-70°F. Space plants 12-18 inches apart.