Cold Start Grass Seed

Our cold start grass seed is specially designed to germinate in colder conditions, making it ideal for autumn or winter overseeding and lawn repair. Whether you're fixing patches after summer or starting new growth earlier in the year, these seed blends establish quickly at lower soil temperatures, often as low as 3°C. Our A1 Lawn winter grass seed mixtures include hardy ryegrass blends that stay strong through the cooler months. They're certified by DEFRA, FERA and SASA, so you can be confident in both quality and performance. From home lawns to professional sports grounds, these seeds are chosen for durability and reliable results.

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A1 Lawn 4 Seasons Pro Grass Seed (5kg, 140-200m²)
A1 Lawn 4 Seasons Pro Grass Seed (5kg, 140-200m²)
A1 Lawn 4 Seasons Pro Grass Seed (5kg, 140-200m²)
£24.99 £24.99
A1 Lawn Cool Start Grass Seed (5kg, 140-200m²)
A1 Lawn Cool Start Grass Seed (5kg, 140-200m²)
A1 Lawn Cool Start Grass Seed (5kg, 140-200m²)
£24.99 £24.99
A1 Lawn Winter Repair Grass Seed (5kg, 140-200m²)
A1 Lawn Winter Repair Grass Seed (5kg, 140-200m²)
A1 Lawn Winter Repair Grass Seed (5kg, 140-200m²)
£28.99 £28.99

Frequently Asked Questions

Can you plant grass seed in the winter?

Yes. As long as soil temperatures are above 3°C and no frost is forecast, winter grass seed will germinate. For best results, choose a winter-formulated blend.

What is the best grass seed for winter overseeding?

A winter ryegrass mix is best for overseeding in cooler months. It's bred to germinate at lower temperatures, helping lawns recover quickly. Using a germination blanket during mild spells can improve results further.

How to store grass seed over the winter?

Keep grass seed dry and away from frost. A cool, well-ventilated place without moisture or direct heat will preserve quality until the next sowing season.

Do you have any advice on sowing grass seed in the colder months?

Yes, you'll find practical guides in our advice section, such as 5 Ways to Grow Seeds in the Cold and How to Repair Your Lawn Ready for Winter, to help you get the best results.