Best Time To Put Down Grass Seed. There are hundreds maybe even thousands of mixtures of grass seed. Plant cool-season grass seed in late summer or early fall when daytime temperatures lower to about 60 to 75 degrees for best success.
Warm-season grasses are best planted during the spring and early summer. Ideally you should sow lawn seed when growing conditions are ideal. You can also sow the seeds throughout Spring Summer Autumn but weather conditions vary across the UK.
Alternately they may be seeded in March to.
In Michigan late August to mid-September is the ideal time to seed all grass types. You can sow Lawn UK lawn seed mixtures at any time from late March to mid-October providing that in periods of unusually dry weather the seedbed is kept constantly moist until the grass is about 6cm 25 inches high. Continue reading to find out how to get the most from your grass seeds at any time of year. However most homeowners dont want to go through the summer with a spotty lawn.