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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

Buy 5 or more, Save 30%*

12 Seeds

30210446

In stock

£3.49

Buy 5 or more, Save 30%*

Mix 'n' Match 5 or more across our flower seeds and get 30% off. Automatically applies at checkout.

Fast Delivery – Next Day Despatch Seed Only Delivery From £2.99* | Learn More

Fast Delivery – Next Day Despatch Seed Only Delivery From £2.99*

Seed Only orders £2.99 delivery when buying 3 or more.

Less than 3 seed packet only orders will require £6.99 delivery charge. Buy 3 or more Seed Packets and receive discounted delivery at £2.99.

When showing as 'In Stock' on the website product page, products are dispatched next day by our expert team  of placing your order, (Sunday to Friday).

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

For larger seed orders we use Yodel express delivery to ensure you receive your package within 3 days of placing your order with the addition of it being fully tracked for your peace of mind.

 

Key Features

Marshalls Garden

Long Flowering Season

Marshalls Garden

Low Maintenance

Marshalls Garden

Pollinator Friendly

Marshalls Garden

RHS 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 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 Award of Garden Merit, it’s also pollinator-friendly and great for wildlife gardens.

Why Marshalls Garden

We are more than just a team; we are your gardening experts, dedicated to providing valuable guidance and support for all your gardening endeavours.


Discover our wide range of gardening guides developed over 75 years, showcasing our commitment to gardening.


Contact us Mon – Fri and even on bank holidays (because gardening queries don't follow a calendar), to discuss our product range or chat about all things gardening.


When you order from us, expect promptness. 'In stock' plants and seeds are dispatched within two working days. And because we're as green as our thumbs, all our packaging is recyclable.


Our trustworthiness isn't just us talking. It's thousands of five-star reviews on Trustpilot and a 100% happiness guarantee on all our products. We're not just here to sell, we're here to sow trust.

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