Authorities also seized an assault rifle, which was forfeited to the government.
Galvan claimed to be growing for 16 medical marijuana patients, but admitted he was using the Oregon Medical Marijuana Program as a cover for growing for the black market, authorities said.
Galvan's 20-year-old daughter, Kayla Krystyne Galvan, pleaded guilty to the same charge, but an agreement with the court says if she stays out of trouble for a year, it will be dropped.
Two other counts against her father were dropped as part of a plea bargain. The sentence is far below the maximum Galvan faced of 40 years in prison.
Caruso was sentenced in July to 37 months in prison after pleading guilty to growing 100 or more marijuana plants. Caruso told investigators a lot of his yield from 2010 went to local medical marijuana dispensaries.