Sunflower Seeds – Black

Black Sunflower Seeds produce tall, sturdy plants with large, dark-centered blooms that brighten gardens and attract pollinators. Known for their vibrant yellow petals and striking black seed centers, these sunflowers add dramatic beauty to landscapes while offering seeds that attract birds and wildlife. They are easy to grow, thrive in full sunlight, and tolerate heat and dry conditions, making them an excellent choice for home gardens, borders, or decorative planting.

Features:

• Produces large, vibrant blooms with dark black seed centers.

• Attracts bees, butterflies, and birds, enhancing garden biodiversity.

• Drought-tolerant and low-maintenance once established.

• Excellent for garden beds, borders, and ornamental displays.

• Strong, upright stems ideal for cut flower arrangements.

• Grows well in a wide range of climates.

Specifications:

• Scientific Name: Helianthus annuus

• Common Name (US): Sunflower

• Plant Type: Annual

• Bloom Color: Bright yellow petals with black seed centers

• Plant Height: 5–8 feet (150–240 cm)

• Bloom Size: 6–10 inches in diameter

• Sunlight Requirement: Full Sun

• Soil Type: Well-drained, moderately fertile soil

• Watering: Moderate; avoid overwatering

• Germination Time: 7–10 days

• Days to Bloom: 70–90 days after sowing

• Sowing Method: Direct sow after last frost or start indoors 2–3 weeks before transplanting

• Spacing: 12–18 inches apart

• Growing Season: Spring to Fall

• USDA Hardiness Zones: 2–11 (grown as annual in all zones)

• Best Planting Months (by Zone):

  • Zones 2–5: May to June

  • Zones 6–9: April to May

  • Zones 10–11: February to March

• Use: Ornamental gardening, wildlife attraction, landscape decoration