Sunflower Seeds – Black Giant
Sunflower Seeds – Black Giant
Sunflower Seeds – Black Giant
Sunflower Seeds – Black Giant

Black Giant Sunflower Seeds – Flower Plant

Suitable for home gardening use
$16.99 USD
$16.99 USD
10% OFF Buy 2 Seed Packs
15% OFF Buy 4 Seed Packs
25% OFF Buy 10 Seed Packs
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Product description

Black Giant Sunflower Seeds

Black Giant Sunflower is a tall annual flowering plant valued for its impressive height, large flower heads, and strong garden presence. It is suitable for ornamental borders, wildlife gardens, pollinator plantings, and seasonal landscape displays where vertical interest is desired.

Flower Seed
Tall Growing
Pollinator Friendly
Garden Suitable

Key Features

Large Flower Heads

Produces oversized blooms that create a striking garden display.

Impressive Height

Develops tall sturdy stems suitable for background plantings and borders.

Pollinator Attraction

Suitable for pollinator-friendly gardens and wildlife landscapes.

Landscape Impact

Adds vertical structure and seasonal color to outdoor growing spaces.

Product Highlights

Tall annual sunflower
Large flower heads
Suitable for borders
Pollinator garden suitable
Wildlife garden suitable
Full sun preferred
Well-drained soil adaptable
Seasonal ornamental display

Specifications

Scientific Name Helianthus annuus
Common Name Black Giant Sunflower
Seed Type Flower Seed
Growth Habit Tall Flowering Annual
USDA Zones 2–11
Planting Season Spring
Growing Season Summer Through Fall
Sowing Season Spring
Sowing Months March–June
Germination Time 7–14 Days
Germination Conditions 65–85°F (18–29°C)
Sunlight Full Sun
Soil Well-Drained Soil
Watering Moderate
Mature Size 8–12 ft Tall × 2–3 ft Wide
Plant Spacing 18–24 in Apart

Growing Guide

Step 1: Sow seeds directly into prepared garden soil after frost danger has passed.
Step 2: Maintain soil temperatures between 65–85°F (18–29°C).
Step 3: Keep soil evenly moist during germination and early growth.
Step 4: Provide full sunlight throughout the growing season.
Step 5: Allow adequate spacing to support healthy plant development.

Suitable For Borders, Pollinator Gardens And Landscape Displays

Black Giant Sunflower is grown for its towering height and large flower heads. It is suitable for wildlife gardens, pollinator plantings, ornamental borders, and seasonal landscape displays where strong vertical presence and vibrant blooms are desired.