Sunflower Seeds 'American Giant F1'
Sunflower Seeds 'American Giant F1' Sunflower Seeds 'American Giant F1'
Sunflower Seeds 'American Giant F1'
Sunflower Seeds 'American Giant F1'
Sunflower Seeds 'American Giant F1'

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Sunflower Seeds 'American Giant F1'

Helianthus annuus

Sunflower ‘American Giant’ lives up to its name, reaching up to 5m tall with a strong, sturdy stem that needs no support. Fast-growing and easy to cultivate, it’s perfect for children, gardening competitions, and creating a dramatic focal point in your garden.

Marshalls Garden

12 Seeds

30210446

In stock

£3.49

3-5 Working Days Seed Delivery | Learn More

3-5 Working Days Seed Delivery

Seed Only orders £2.99 delivery

To ensure your seeds arrive in the freshest condition and undamaged, they are carefully packed in specially designed, fully recyclable packaging.

Key Features

Marshalls Garden

Long Flowering Season

Marshalls Garden

Low Maintenance

Marshalls Garden

Pollinator Friendly

Marshalls Garden

RHS Recommended: AGM

Product Information

Eventual Height:

5m

Position:

Full Sun

Suitable for:

Pots, Patio, Small Gardens, Borders, Cottage Garden, Raised Bed

Plant Type:

Annual

Soil Type:

Well-drained, fertile, rich in organic matter

Complete The Job

Growing Calendar

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sow Indoors

Sow Indoors

Sow Outdoors

Sow Outdoors

Flowering

Flowering
  • Huge sunflower reaching up to 5m (16ft) tall
  • Sturdy stems need no support
  • Fun for kids to grow
  • RHS Recommended: Award of Garden Merit
  • Edible sunflower seeds

Giant by name and giant by nature! Sunflower ‘American Giant’ really is huge, growing up to 5m (16ft) tall, with a strong sturdy stem that needs no support. This quick-growing sunflower is fun for kids to grow and perfect for winning competitions! A holder of the prestigious RHS Recommended: Award of Garden Merit, it’s also pollinator-friendly and great for wildlife gardens.

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