Sunflower Seeds – Helianthus annuus Flower Plant

Sunflower is a warm-season flowering annual known for its large flower heads and upright growth habit. Plants produce sturdy stems topped with bright blooms that add height and visual interest to garden landscapes. This species is suitable for garden beds, borders, pollinator gardens, wildlife plantings, and cut flower gardens. Sunflowers perform best in full sun and well-drained soil, adapting well to a variety of growing conditions during the summer season.

Features

• Tall, upright flowering annual
• Produces large, showy flower heads
• Suitable for beds, borders, and pollinator gardens
• Adapted to warm growing conditions
• Attracts pollinators to garden spaces
• Performs well in well-drained soils
• Provides seasonal height and color

Specifications

• Scientific Name: Helianthus annuus
• Common Name (US): Common Sunflower
• Seed Type / Variety: Helianthus annuus
• Growth Habit: Upright annual
• USDA Zones: 2-11
• Planting Season: Spring
• Growing Season: Summer through Fall
• Sowing Season: March-June
• Germination Time and Conditions: 7-14 days at 70-85°F (21-29°C)
• Sunlight Requirements: Full sun
• Soil Requirements: Well-drained, moderately fertile soil
• Watering Needs: Moderate watering; drought tolerant once established
• Mature Plant Size: 48-120 inches tall, 12-36 inches spread
• Plant Spacing: 12-24 inches apart