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Cosmos Seeds 'Brightness Mix'
Cosmos Seeds 'Brightness Mix' Cosmos Seeds 'Brightness Mix' Cosmos Seeds 'Brightness Mix' Cosmos Seeds 'Brightness Mix'
Cosmos Seeds 'Brightness Mix'
Cosmos Seeds 'Brightness Mix'
Cosmos Seeds 'Brightness Mix'
Cosmos Seeds 'Brightness Mix'
Cosmos Seeds 'Brightness Mix'

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Cosmos Seeds 'Brightness Mix'

Cosmos sulphuerus

Cosmos ‘Brightness Mix’ lights up the garden with masses of daisy-like flowers in glowing shades of yellow, orange, and red. Fast-growing and free-flowering, these cheerful blooms thrive in beds, borders, and containers, attracting pollinators all summer long.

Marshalls Garden

10 Seeds

30211326

Only 10 remaining

£2.99

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

Low Maintenance

Marshalls Garden

Pollinator Friendly

Marshalls Garden

Great As Cut Flowers

Product Information

Eventual Height:

30 cm

Position:

Full Sun

Suitable for:

Borders, Pots, Small Gardens, Cottage Garden, Cut Flower Garden, Wildlife Garden

Plant Type:

Annual

Soil Type:

Well-drained, sandy, chalky or loamy

Complete The Job

Growing Calendar

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Sow Indoors

Sow Indoors

Flowering

Flowering
  • Vibrant mix of yellow, orange and red blooms
  • Flowers freely all summer into autumn
  • Perfect for beds, borders, and containers

Cosmos ‘Brightness Mix’ is a dazzling variety that produces a sea of fiery-coloured blooms, creating instant impact in any garden. Their ferny foliage and upright habit make them perfect for filling gaps in borders or adding bursts of colour to pots and containers.

Easy to grow from seed and fast to flower, these cosmos thrive in sunny spots with minimal care, rewarding you with continuous blooms until the first frosts. Pollinator-friendly and excellent for cutting, they’re a versatile choice for gardeners wanting long-lasting colour and energy in their displays.

Why Marshalls Garden

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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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