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Home » Sunflower seeds - Giant Yellow - Helianthus annus

Sunflower seeds - Giant Yellow - Helianthus annus

Type: Annual
Approximate height: Up to 3 metres
Flowering Time: Late summer
Site and soil type: Prefers moderately rich, moist but well-drained soil in sunshine
When to sow: March to May
Where to sow: Outside, direct into soil or indoors, into biodegradable pots.
Packet contents: Approximately 3.8g / 50 seeds
UK Plant Passport - 3345

This is a traditional tall yellow sunflower with large flowers in late summer.

Loved by bees and other pollinating insects.

The seeds, once dry, can be used as bird food.

Sunflowers attract / provide food for the following creatures:

  • Hoverflies
  • Bumblebees and honey bees 
  • Birds and small rodents will eat the seeds 
  • 🦇 (RHS)
  • An "RHS Plants for Pollinators" plant **

All our seed packets include sowing instructions.

Jemima’s Garden seeds are plastic free and reyclable. They’re contained in an inner glassine envelope, (made from pine wood cellulose), and an outer Kraft paper seed packet. Any shipping packaging is also plastic free and recyclable.

Key to symbols:

🐛 A food plant for the caterpillar

🦋 Provides nectar for the adult moth or butterfly

🦇 Listed in: Bat Conservation Trust Encouraging bats, A guide for bat-friendly gardening and living

🦇 (RHS)  Listed in the RHS Plants for Bats list

** RHS Plants for Pollinators. The RHS Plants for Pollinators mark is only given to plants that support pollinating insects. Find out more at rhs.org.uk/plantsforpollinators

** The Royal Horticultural Society, and its logo, are trade marks of The Royal Horticultural Society (Registered Charity No 222879/SC038262) and used under licence.