Question 1

How much grass seed do I need per square metre?

Accepted Answer

The amount depends on the seed type. Standard lawn seed requires about 35g per square metre, luxury seed needs 50g/m2, shade-tolerant 40g/m2, and hardwearing 45g/m2. For overseeding an existing lawn, halve these rates.

Question 2

When is the best time to sow grass seed in the UK?

Accepted Answer

The best times to sow grass seed in the UK are mid-spring (April to May) and early autumn (September to October). Soil temperatures need to be consistently above 8-10 degrees Celsius for good germination. Autumn sowing is often preferred as the soil is warm and moist.

Question 3

What is the difference between overseeding and new sowing?

Accepted Answer

Overseeding means spreading seed over an existing lawn to fill in thin or bare patches. You use about half the seed rate compared to creating a new lawn from scratch. New sowing requires full preparation including removing old turf, levelling the soil, and applying the full seed rate.

Lawn Seed Calculator

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Lawn Seed Calculator

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