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.

10 Seeds

30211326

Only 10 remaining

£2.99

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

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.

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