12/12 Lighting

Last updated: February 19, 2019

What Does 12/12 Lighting Mean?

The 12/12 light cycle means 12 hours of light and 12 hours of dark. The normal light cycle is 18/6 for plants. Using the 12/12 light cycle stresses the plants and has a few desirable effects for the grower. One is that it can force flowering and make the plants sex female. The 12/12 light cycle is done in a grow room.


Maximum Yield Explains 12/12 Lighting

The 12/12 lighting technique makes the grow period last 7-9 weeks. This method eliminates the vegetation stage of growth. It can help some growers conserve in space and time. Using a 12/12 lighting technique from the start means that plants will start to produce flowers as soon as they start growing. The lighting pattern is similar to that of the end of the growing season and it tricks the plants into thinking they need to start flowering.


Share this Term

  • Facebook
  • LinkedIn
  • Twitter

Related Reading


Plant GrowthLighting

Trending Articles

Go back to top
Maximum Yield Logo

You must be 19 years of age or older to enter this site.

Please confirm your date of birth:

This feature requires cookies to be enabled