quote from uf ifas edis publication...apparently it would be a fool's mission to attempt using seed.
With one exception, zoysiagrasses must be planted vegetatively by sod, plugs, or sprigs. Zoysia japonica is the only species for which seed is commercially available. Proper site preparation before planting is critical to ensure successful establishment. Refer to ENH02, Preparing to Plant a Florida Lawn (
ENH 02/LH012: Preparing to Plant a Florida Lawn), for complete information.