Bulk Large Black Oil Tall Sunflower Seeds for Planting - Helianthus annuus 2025

Bulk Sunflower Seeds for Planting

Brighten your garden with our Bulk Large Black Oil Tall Sunflower Seeds (Helianthus annuus). These seeds are ideal for gardeners seeking to cultivate tall, vibrant sunflowers that attract birds and beneficial pollinators. Each purchase provides a generous quantity of high-quality seeds, suitable for both home gardens and commercial planting.

Key Features

• High germination rate ensuring robust and healthy growth
• Attracts birds and beneficial insects to your garden
• Perfect for creating natural barriers or decorative borders
• Produces large, vibrant yellow blooms up to 12 inches in diameter
• Easy to grow and maintain with sturdy, tall stems

Growing Information

Plant seeds at a depth of 1-2 inches in well-drained, loamy soil with a pH between 6.0 and 7.5. These sunflowers thrive in full sun, requiring 6-8 hours of direct sunlight daily. Water regularly to keep the soil moist but avoid sogginess. Suitable for USDA hardiness zones 3 through 10, the plants grow tall and upright, reaching heights between 6 and 10 feet.