About 10-14 days The majority of grass seed will germinate within 10 to 14 days, but occasionally it can take up to 30 days. When you plant new grass seed in your yard, it can appear to take an eternity for it to sprout.
How quickly does grass grow daily?
How Long Does Grass Seed Take to Germinate? (7-21 days)
How Much Grass Does a Day Support? – During their growing seasons, the common types of lawn grass, including zoysia, fescue, and ryegrass, will only grow approximately 1/10 of an inch per day. Under optimal conditions, this rate can double to approximately 1/5 of an inch per day.