7,105 Garden Web Discussions | California Gardening
Question re: soil prep before sod install
hoovb zone 9 sunset 23Updated You will get the best results by thoroughly loosening what you have to a depth of at least 6"-8".
The reason for this is: with a loose base, the grass roots can grow down deeply into the soil and form a strong grass plan...
Advice from Bay Area landscape experts: highway noise reduction
nil13(z21 L.A., CA (Mt. Washington))Updated or you can pester CalTrans to approve sound dampening asphalt as a road covering.

