The continual irrigation is one of the important measures to maintain healthy and sustainable use of turf in the arid and semi-arid regions, however, it enable soil to develop possibly soil secondary saline-alkalization. Therefore, it is an urgently scientific issue in the turf management to improve the ability of turf grass to healthy growing in the soil salinization environments. A pot experiment was used to investigate the effect of Si supply on the biological properties of Tall Fescue (Festuca arundinacea) growing in the salinization conditions. This study indicated that silicon supplies made the initial time of seed emergence of tall fescue bring forward two days, shortened the duration of emergence, increased the total seedling rate and the seedling survival rate. The total emergence and seedlings survival rate of Tall Fescue significantly increased with the increase of Si supply (P <0.05), implying that silicon supplies increased the viability of Tall Fescue seedling in the salinization conditions, meanwhile, Tall Fescue seedling died when silicon did not add to the soil. Silicon supplies significantly increased the height, leaf length and tiller number per plant in tall fescue, but did not affect on leaf width, indicating that silicon supplies encouraged the tall fescue growth but did not affect the turf quality. This study also indicated that silicon supplies increased the plants biomass, indicating that the low silicon supplies mainly contributed to shoot growth and the high silicon supplies mainly contributed to root growth, and this implied that the shoots growth was more sensitive than roots growth of tall fescue. Both the silicon content in roots and shoots increased with the increase of silicon concentration, and they were below 3.0%. Silicon content in roots was double that in shoots. This study suggested that silicon supplies improved the suitability of Tall Fescue in the soil salinization environments, which would provide the useful information for future turf management when turf managers face the potential of soil salinization.