read this
http://www.telegraph.co.uk/news/uknews/law-and-order/9033808/Caught-with-six-kilos-of-cannabis-and-you-could-still-avoid-jail.html
The new guidlines are here sentencingcouncil.judiciary.gov.uk/docs/MCSG_%28web%29_-_January_2012.pdf
Production of a controlled drug
Misuse of Drugs Act 1971 (section 4(2)(a) or (b))
Category 1
• heroin, cocaine – 5kg;
• ecstasy – 10,000 tablets;
• LSD – 250,000 tablets;
• amphetamine – 20kg;
• cannabis – operation capable of producing industrial
quantities for commercial use;
• ketamine – 5kg.
Category 2
• heroin, cocaine – 1kg;
• ecstasy – 2,000 tablets;
• LSD – 25,000 squares;
• amphetamine – 4kg;
• cannabis – operation capable of producing significant
quantities for commercial use;
• ketamine – 1kg.
Category 3
• heroin, cocaine – 150g;
• ecstasy – 300 tablets;
• LSD – 2,500 squares;
• amphetamine – 750g;
• cannabis – 28 plants;*
• ketamine – 150g.
Category 4
• heroin, cocaine – 5g;
• ecstasy – 20 tablets;
• LSD – 170 squares;
• amphetamine – 20g;
• cannabis – 9 plants (domestic operation);*
• ketamine – 5g.
So your cat 4
Your not going to jail
read page 240 of sentencingcouncil.judiciary.gov.uk/docs/MCSG_%28web%29_-_January_2012.pdf