Abstract: There was the problem that seedlings of Poa Pratensis were difficult to turn green at the second year in Hohhot. The seedlings at different growth stages was investigated in May, 2012. The results showed that early sowing, make loose soil at 5- 10cm soil before sowing and increased pressing strength after sowing were beneficial to seedlings of Poa Pratensis tumed green. The seedlings would be safe in winter until the 4tiller of Poa Pratensis developed in Hohhot.