Jarvis admitted cannabis possession with intent to supply but insisted it was the first time that he had taken drugs from a raided farm, despite being in the job for 15 years.
to the family's Wolverhampton home.
Father smuggled drug for addict son Express Star
They also found 12,720 cash in a safe at the house.
Mr Jon Roe, defending Andrew Jarvis, who had previous convictions for cannabis production and possession of crack cocaine, said: "He is determined to address his problem and see the end of his drug addiction."
Mr Balbir Singh, defending Paul Jarvis who was sacked after the incident on October 27 last year, said: "He had been having problems as a result of the cannabis addiction of his son. People had been knocking at their door.
"The arrangement was for them to dismantle the factory and destroy the plants."
continued Mr Dann.
Mr Dann continued yesterday: "Paul Jarvis pleads guilty on the basis that he had effectively stolen the cannabis to provide for his son who was an addict.
Paul Jarvis smuggled a kilo of cannabis from an industrial unit in Mount Street, Nechells, the day after police discovered a drug factory there, Wolverhampton Crown Court was told.
Jarvis's son Andrew was spotted running away as the officers swooped and was detained soon afterwards.
Jarvis's wife was also arrested as a result of the inquiry but did not face any criminal charge.
"The money was seized under civil elements of the Proceeds of Crime Act and a magistrates court hearing will decide Asics Gel Lyte 3 Green Yellow in due course if it is, or is not, criminal property. Mr Jarvis said it was his savings.
Police raided the property in Colley Avenue, Low Hill, soon afterwards and found the cannabis leaves drying on a frame in a garden shed, Asics Gel Zaraca
"Taking all matters into account the prosecution does not in any way challenge the assertion that he had not previously been involved in drug dealing."
Judge Roslyn Bush jailed Paul Jarvis for 16 months. Andrew Jarvis, also of Colley Avenue, admitted possession of cannabis and was given a six week prison sentence, suspended for 12 months, with a four month night time tagged curfew.
to the firm's depot in Wednesbury by company van. His wife arrived at the premises soon afterwards in a Ford Fiesta and Jarvis put the box into the car, which was then driven Asics Gel Kayano 22 Red
"The drugs were going into a skip and he gave into temptation and took them home, not with the intention of selling them or making a profit, but to give to his son."
A father working for the firm that cleaned up cannabis farms after raids by West Midland Police gave 6,000 worth of the drugs to his 23 year old addict son.
Prosecutor Mr Geoffrey Dann revealed: "He was employed by a company that West Midlands Police had contracted to clear out the premises where cannabis farms had been found.