this post was submitted on 10 Aug 2024
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Hey growmie, if you want to really want to know what’s best for the plant overall for light length, look into DLI or Daily Light Integral. If you’re reaching the DLI for cannabis in 16 hours, extra light isn’t helpful.
Cannabis is also one of the few plants who don’t need a nightly dark period for growth, still learning the nuances of that.
But if you’ve got a weaker light, you can definitely get advantages if you can pay the power bill.
My current plants have been on 24/7 lighting for three weeks themselves, and cannabis also doesn’t start flowering till it gets less than 14 hours of light, so some people even mess with 13/11 or 11/13 light cycles for flower too.