How to Sow Grass Seed: A Guide for a Lush Lawn
Sowing grass seed is an effective and affordable way to establish a new lawn or repair patchy areas. In the UK, timing, soil conditions, and proper watering are key to achieving a healthy, vibrant lawn.
Best Time to Sow Grass Seed
The ideal time to sow grass seed in the UK is in spring (March to May) or autumn (September to October). These seasons offer mild temperatures and regular rainfall, providing optimal conditions for seed germination.
Soil Preparation and Optimum Temperature
Before sowing, prepare the soil by removing weeds, raking to create a fine seedbed, and lightly compacting it. The optimum soil temperature for grass seed germination is around 8–10°C, which ensures strong root development. If the soil is too cold, germination will be slow or unsuccessful.
How to Sow Grass Seed
1. Measure and Spread – Use approximately 35g per square metre for new lawns and 25g per square metre for overseeding existing grass.
2. Rake In – Lightly rake the soil to cover the seeds with a thin layer of soil for better contact.
3. Firm the Soil – Gently press the soil down using a roller or by walking over it to improve seed-to-soil contact.
4. Watering – Keep the soil evenly moist but not waterlogged. Water lightly once or twice daily, especially in dry conditions, until germination occurs (typically within 7-21 days). Once established, reduce watering to encourage deep root growth.
Additional Tips
• Avoid walking on newly sown areas for at least 4–6 weeks.
• Protect seeds from birds using netting or a light covering of compost.
• Apply a balanced lawn feed once the grass reaches 5cm tall to encourage healthy growth.
By following these steps, you’ll be on your way to growing a lush, green lawn that enhances your outdoor space.
