Several factors will determine the germination rate of grass seed. Air temperature, soil to seed contact, , presence and consistency of moisture and, age and quality of the seed.
Different types of seed germinate at different times and it's important to take that into consideration when planting. If seed is sown too late in the season, it might germinate but may not survive the winter as a seedling.
The following grass seed germination rates are within a range based on ideal conditions.
Annual ryegrass - 5-10 days
Bahia grass - 14-28 days
Bermuda grass - 10-30 days
Buffalo grass - 14-30 days
Centipede grass - 14-21 days
Hard fescue - 7-14 days
Kentucky bluegrass - 14-30 days
Perennial ryegrass - 5-10 days
Red fescue - 7-14 days
Seashore paspalum - 7-14 days
Tall fescue - 7-12 days
Zoysia grass - 14-21 days
