Sunflowers

🌻 Sunflower Planting Guide

(Easy, beautiful, pollinator-friendly)

🌱 Planting Time

  • After last frost
  • Soil temp: 55–70°F+

🌿 Soil Requirements

  • pH: 6.0–7.5
  • Well-drained soil
  • Tolerates average to poor soils

🌻 Planting Instructions

  • Depth: 1 inch
  • Spacing:
    • 6–12 inches apart (small varieties)
    • 12–24 inches apart (large varieties)

💧 Watering

  • Water regularly while young
  • Once established, fairly drought-tolerant

🌾 Fertilizer

  • Light feeder
  • Add compost or light balanced fertilizer at planting
  • Avoid too much nitrogen (causes weak stems)

⏱️ Harvest

    • 70–100 days
    • Harvest when:
      • Petals fall off
      • Seed heads turn brown