Black Oil Sunflower Seeds - Helianthus annuus (50 Seeds) Giant Sunflowers

About This Plant

Black Oil Sunflower, Helianthus annuus, is an annual known for tall, upright growth and large flower heads. These seeds are suitable for creating striking garden displays and pollinator-friendly landscapes, with flowers that attract bees and butterflies.

What You Will Receive

50 Black Oil Sunflower seeds per pack. Seeds are ready for planting and designed for a high germination rate.

Growing Information

Sunlight: Full sun (6-8 hours per day). Watering: Moderate; keep soil consistently moist but not soggy. Soil: Well-drained, fertile soil with a pH of 6.0 to 7.5. Hardiness: Zones 3-10. Growth Habit: Tall, upright with large flower heads. Ideal for floral arrangements and pollinator-attracting gardens.