Narrowleaf Sunflower Seeds - Flower Plant

Narrowleaf Sunflower Seeds produce a perennial flowering plant commonly known in the United States as narrowleaf sunflower. Plants develop upright stems with narrow green leaves and produce bright yellow daisy-like flowers. This plant thrives in full sun with well-drained soil and is suitable for garden beds, borders, or naturalized areas in temperate climates. Narrowleaf sunflowers are hardy, attract pollinators, and provide visual interest in gardens and landscapes.

Features

• Perennial flowering plant

• Upright growth with narrow leaves

• Produces bright yellow daisy-like flowers

• Suitable for garden beds, borders, and naturalized plantings

• Adapted to full sun and well-drained soil

Specifications

• Scientific Name: Helianthus angustifolius

• Common Name (US): Narrowleaf Sunflower

• Seed Type / Variety: Perennial flowering plant

• Growth Habit: Upright perennial

• USDA Zones: 4–9

• Planting Season: Early spring

• Growing Season: Spring to fall

• Sowing Season:

  • March–May

• Germination Time and Conditions: 10–21 days at 65–75°F (18–24°C)

• Sunlight Requirements: Full sun

• Soil Requirements: Well-drained fertile soil, pH 6.0–7.5

• Watering Needs: Moderate

• Mature Plant Size: 3–6 feet height; 2–4 feet spread

• Plant Spacing: 18–24 inches apart