The man said he was growing medical marijuana for himself, but acknowledged the number of plants exceeded the amount permitted by law.
Thanks to the Taxpayers Bill of Rights, all of the pot tax money must be given back.
The haul was well below estimates of $70 million.
The parcel contained eight packages with a total of nine pounds of high-grade marijuana.
- Law enforcement in Nebraska towns near the Colorado border are reporting a jump in pot-related offenses. Legalization next door, they say, is creating burdensome consequences they never asked for.Read More
Using marijuana raises the risk of car crashes, cancer, and mental illness, a state-appointed committee found.
The Colorado State Patrol reports that 674 drivers received marijuana citations in 2014.
Making pot legal for adults means teens will be more likely to use it too, say pediatricians. And while they're concerned about health effects, they say there are better ways to deter usage than jail.