You are reading it wrong, there are no mandatory minimums for cultivation for personal use. This is from the government site.
Cultivation of marijuana 7 I (i) 6 mos. if there are between 6-200 plants and the production is for trafficking; (ii) 9 mos. for between 6-200 plants, the production is for trafficking and any of the following apply: (a) you use real property that belongs to a third party to commit the offence; (b) the production could endanger the security, health or safety of minors at or close to the offence location, (c) the production constitutes a potential public safety hazard in a residential area, or (d) you set or place a trap, device or other thing that is likely to cause death or bodily harm to another person in or close to the offence location, or permit such a trap, device or other thing to remain or be placed in that location or area (iii) 1 yr. for between 201-500 plants; (iv) 18 months for between 201-500 plants and any of the factors (a through d, in italics, above) apply; (v) 2 yrs. for more than 500 plants, or (vi) 3 yrs. for more than 500 plants if any of the factors (a through d, in italics, above) apply