Sunflower ‘Happy Face Yellow’ F1 Hybrid Seeds

Sunflower ‘Happy Face Yellow’ F1 Hybrid Seeds

Botanical Name: Helianthus annuus

• Stocky, compact hybrid sunflower suitable for pots and gardens.
• Rich yellow petals with a bold, dark central disc.
• Pollen-free habit ensures clean blooms for indoor use.
• Quick flowering—ready in 60 days (summer) or 70 days (winter).
• Grows approx. 80 cm in pots, 100 cm in open field plantings.
• Great choice for home gardeners, landscapers, and cut flowers.
• Best sown from spring through early autumn in full sun.

Plant Details:

• Plant Type: Warm-season annual
• Plant Height: 80 cm in pots; 100 cm in field
• Flower Colour: Rich yellow petals with dark disc
• Pollen: Pollen-free

Sowing Information:

• Sow When:
  • Temperate: September–January
  • Subtropical: August–February
  • Tropical: March–September (avoid peak wet)
  • Cool: October–December
  • Arid: September–January (with irrigation)
• Germination: 7–10 days @ 18–25°C
• Depth: 10–15 mm
• Position: Full sun
• Sow Where: Direct sow for best results; taproot dislikes disturbance
• Soil Type: Fertile, well-drained soil enriched with compost
• Spacing: 25–30 cm between plants; rows 45–60 cm apart

Growing Tips:

• Ideal for pots, containers, and small garden beds.
• Apply deep watering at longer intervals to encourage strong roots.
• Stagger sowings every 2–3 weeks for continuous blooms.
• Protect seedlings from birds and snails in early stages.
• Harvest when petals just begin to unfurl for longest vase life.

Harvest:

Harvest about 60 days after sowing in summer, or 70 days in winter plantings. Blooms are pollen-free, long-lasting, and perfect for bouquets.

When to Sow Sunflower ‘Happy Face Yellow’ in Your Climate

Find out more about how sunflowers support biodiversity here.

Click here to find our detailed Sunflower Grow Guide for Australia.