up to 22g or cultivation of 20 plants for personal use
article: Cannabis in Colombia Decriminalized up to 22g for personal consumption. Individuals carrying greater amounts, or cultivating up to 20 plants, cannot be prosecuted if the drug is for personal use.
You maybe already asked yourself "Is Cannabis in Colombia legal?" In Colombia Cannabis (or Marijuana) is decriminalized for recreational and legal for medical use. About 2.3% of the people in Colombia used Cannabis within the last year.