When to sow grass?
Grass is sown or overseeded from August to September. It is mown from March to October, at a height of 4 to 6 cm.
Grass is a seed mixture for the home garden.
A mixture holds several kinds of grass and the seed does not come up at the same time, so a new lawn looks uneven for the first weeks. Sowing finishes about 14 days before the first frost.
In the strongest growth the mowing is weekly, and once growth slows it drops to once in 14 days. No more than a third of the blade comes off at a time.
While it is growing a lawn needs regular water, from rain or from irrigation. An older, well rooted lawn can be left unwatered in summer, and it then goes into summer dormancy.
Grass through the year
- sowing
- mowing
- scarifying
In short
Scarifying starts in the last week of August.
Growing conditions
Pests and diseases
Listed here is every problem for which the sources name this plant as a host. The problems are not listed in order of how common they are.
- Signs
- Moss fills the space the grass does not hold: in shade, on trodden and bare spots, on compacted and acid soil and wherever water stands. The moss is not the cause but the consequence, and it tells you why the grass is weak.
- Prevention
- Do not mow too short. Cut back neighbouring trees and shrubs to reduce the shade. Aerate compacted soil and overseed it. On acid soil lime after a soil test. In shade use a mixture that takes shade.
- What to do
- Scarify with a rake or a machine while the grass is still growing strongly, which in a temperate climate means September into early October. Otherwise the open spots do not close up. A synthetic moss killer is not needed, because the non-chemical measures are enough.
Keep track of your plants with Tendask
Log the task and set a reminder for the next one. Every plant keeps its own history, so there is nothing to guess at.
Sources about the plant: NC State Extension Plant Toolbox, Penn State Extension, Royal Horticultural Society, Tendask repository itself, University of Maryland Extension. Checked between 14 and 17 August 2026.