Dianthus Caryophyllus Seeds - Dark Blue Flower Seeds for Planting

Add rich, dramatic color to your landscape with Dianthus Seeds – Dark Blue Caryophyllus Variety. These premium heirloom, non-GMO seeds produce compact, fragrant plants with striking dark blue-toned blossoms. Perfect for enhancing garden beds, borders, cottage gardens, rock gardens, patio planters, and decorative containers, this variety provides long-lasting color throughout the growing season.

Dianthus Caryophyllus thrives in full sun with well-draining soil and is an excellent choice for gardeners seeking unique bloom colors, easy-care plants, and high-performing ornamental varieties. Ideal for customers searching for dark blue dianthus seeds for planting, non-GMO flower seeds, heirloom carnation-type seeds, and seasonal garden bloomers.

Key Features

• Premium heirloom-quality Dianthus Caryophyllus seeds
• Non-GMO with reliable germination
• Striking dark blue blossoms for dramatic garden accents
• Perfect for borders, beds, rock gardens, and containers
• Compact, upright, fragrant growth habit
• Beginner-friendly and low maintenance
• Fresh packaging preserves seed quality

Specifications

• Seed Name: Dianthus Seeds
• Variety: Dark Blue Caryophyllus
• Plant Type: Perennial (grown as annual in cooler climates)
• Heirloom: Yes
• Organic: Not certified organic
• GMO Status: Non-GMO
• Season: Spring planting recommended
• USDA Zones: 5–9 perennial; 3–4 grown as annual
• Growing Method: Indoor start or direct sow outdoors
• Sunlight Requirement: Full sun to light partial shade (5–7+ hours)
• Planting Depth: Lightly cover seeds (1/8 inch)
• Seed Spacing: 6–10 inches apart
• Soil Requirement: Well-draining, loose, slightly alkaline soil preferred
• Watering Needs: Moderate, avoid overwatering
• Germination Time: 7–14 days at 65–75°F
• Growth Habit: Upright, bushy flower clusters
• Indoor Start: 6–8 weeks before last frost
• Outdoor Planting: After frost danger has passed
• Container Growing: Excellent for pots and patio planters
• Mature Height: 12–24 inches
• Plant Spread: 8–12 inches
• Bloom Time: Late spring through summer

Planting Guide

• Start seeds indoors 6–8 weeks before the final frost or direct sow outdoors once weather warms.
• Lightly cover seeds with 1/8 inch of soil.
• Keep soil moist and maintain 65–75°F temperature for germination.
• Provide bright light to prevent leggy seedlings.
• Transplant outdoors after hardening off.
• Space plants 6–10 inches apart.
• Water moderately and enjoy continuous vibrant blooms.

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