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Product Description
Plant in fertile welldrained soil with adequate sunlight. Water regularly and provide good airflow for healthy growth. Ideal for gardeners seeking organic sustainable seed options.

Life Cycle
Biennial / short-lived perennial
Planting Season
Cool to warm season
Growth Habit
Upright clumping
Flavor Profile
Not applicable
Plant Characteristics
Deep maroon to near-black clustered blooms, lightly fragrant
Use
Borders, beds, containers, cut flowers
Growing Conditions
Fertile, well-drained soils
Harvest Advantages
Bold color contrast, excellent vase life
Plant Resistance
Cold hardy, easy to grow
Scientific Name: Dianthus barbatus
Seed Names
Black William Seeds
Seed Type
Heirloom open-pollinated
Black William, a dramatic heirloom Sweet William variety, is prized for its rich, dark maroon to almost black flower clusters that create a striking visual impact in the garden. Blooming reliably with minimal care, this classic ornamental is perfect for borders, cottage gardens, and cut-flower displays. Its bold color, traditional charm, and adaptability make it a standout choice for vibrant home gardens.
Light Requirement
Full sun to partial shade
Planting Depth
⅛ inch (lightly cover)
Sowing Method
Direct sow or indoor start
Plant Spacing
8–12 inches
Days to Maturity
90–120 days
Soil Preparation
No treatment required
Hardiness Zones
USDA 3–9
Water Needs
Moderate moisture, well-drained soil
Planting Season
Spring / autumn
Seed Count
Recommended Coverage
100
Up to 20 sq ft
500
Up to 100 sq ft
1000
Up to 200 sq ft