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Product Description
Bring elegance and vibrant color to your garden with Blue Sapphire Flower seeds, an heirloom variety known for its stunning blue blooms. Perfect for cut flowers, borders, and containers, this low-maintenance plant produces long-lasting flowers that enhance any garden space. Ideal for gardeners seeking striking, easy-to-grow blooms for both garden display and floral arrangements.
Heirloom Variety: Preserves traditional plant genetics for future planting.
GMO-Free: 100 Pcs% natural, non-modified seeds.
Cut Flower Favorite: Perfect for fresh floral arrangements and bouquets.
Vibrant Blue Blooms: Adds striking color and elegance to your garden.
Easy to Grow: Suitable for home gardens, borders, and containers.
Seed Type: Blue Sapphire Flower
Plant Height: 12–24 inches (approx.)
Flower Color: Blue
Growth Habit: Upright, bushy flowering plant
Germination Time: 10–21 days under optimal conditions
Sowing: Start seeds indoors in pots or trays with well-draining soil mix, or direct sow outdoors after frost.
Depth: Lightly cover seeds with a thin layer of soil.
Watering: Keep soil lightly moist until seedlings emerge.
Light: Full sun to partial shade for optimal growth.
Temperature: Maintain 18–22°C (65–72°F) for best germination.
Transplanting: When seedlings have 2–3 true leaves, transplant outdoors with spacing of 12–18 inches.
Care: Remove spent flowers to encourage continuous blooming and maintain healthy growth.

Life Cycle
Annual Flower
Planting Season
Spring Fall
Growth Habit
Upright Clumping
Flavor Profile
Non Edible
Plant Characteristics
Tall Vibrant Blooms
Use
Cut Flower
Growing Conditions
Cool Mild Climate
Harvest Advantages
Long Vase Life
Plant Resistance
Pest Tolerant
Centaurea cyanus
Seed Names
Blue Sapphire Seeds
Seed Type
Heirloom Open Pollinated
Blue Sapphire Flower, scientifically known as Centaurea cyanus, is a striking ornamental plant valued for its deep blue blooms and delicate texture. Popular in cottage gardens and floral arrangements, it thrives easily with minimal care, making it ideal for home gardeners seeking vibrant, long-lasting cut flowers.
Light Requirement
Full Sun
Planting Depth
0.5 cm Deep
Sowing Method
Direct Outdoor
Plant Spacing
20 cm Apart
Days to Maturity
60 to 75
Soil Preparation
Direct Sow
Hardiness Zones
2 to 11
Water Needs
Moderate Water
Planting Season
Spring Fall
Seed Count
Recommended Coverage
100
Up to 10 sq ft
500
Up to 50 sq ft
1000
Up to 100 sq ft