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Product Description
Add dramatic beauty to your garden with Black Sunflower Flower seeds. These heirloom, GMO-free seeds produce striking dark blooms that stand out in borders, containers, and flower beds. Perfect for home gardens, they offer a bold, eye-catching display while being easy to grow and maintain.
Features & Specifications:
Plant Type: Black Sunflower
Seed Type: Heirloom, Non-GMO
Flower Color: Deep black/dark purple
Growth Habit: Upright, sturdy stems
Height: 120–180 cm (47–71 inches)
Light Requirements: Full sun
Water Requirements: Moderate
Ideal Use: Borders, garden beds, cut flowers
Planting & Sowing Instructions:
Soil: Well-draining, fertile soil.
Sowing: Sow seeds directly into soil 1–2 cm deep.
Watering: Keep soil evenly moist until germination.
Temperature: Optimal germination at 20–25°C (68–77°F).
Germination: Seeds typically sprout within 7–14 days.
Care: Provide support for taller plants; remove faded flowers to encourage new blooms.
Well-drained soil, warm temperatures, full sun exposure
Harvest Advantages
Strong stems and long-lasting blooms suitable for garden display
Plant Resistance
Heat tolerant and adaptable to various soil conditions
Heirloom Black Sunflower
Scientific Name: Helianthus annuus
Seed Names
Black Sunflower Flower Seeds
Seed Type
Heirloom, Open-pollinated, Non-GMO
Black Sunflower is a striking ornamental sunflower known for its deep, dark central disk and bold visual contrast. It grows quickly and produces sturdy, upright plants that perform well along borders and garden beds. Easy to grow and visually dramatic, it brings height and seasonal color to home gardens.
Planting Information
Light Requirement
Full sun
Planting Depth
½ inch deep
Sowing Method
Direct sow or start indoors and transplant
Plant Spacing
18–24 inches apart
Days to Maturity
80–100 days
Soil Preparation
No special preparation required
Hardiness Zones
2–11 (grown as annual in most regions)
Water Needs
Moderate watering; drought tolerant once established
Regular price $16.99 USDSale price $16.99 USD Regular priceUnit price perSale Sold out
