A Complete Guide on When to Harvest Hemp

A scientific look on when you should harvest your medicinal hemp plants by looking at the flowering cycle week by week for plant size, trichome development, and lab results.

Previous video on testing the CBD Content of a medicinal hemp grow, week by week:


  1. Good video, but it's a bit difficult to take the producer serious with that burple lighting early in the video. No serious grower uses burple lighting.

  2. Inexperienced grower question.
    I wonder why growers don't chop main colas at 10% to 15% amber trichomes, then let the lower bud sites go another week under the lights? With increased light penetration, it seems logically beneficial, no?

  3. The strain usually comes with information by the seed seller, at the peak of 19% in the lab test did the strain Information on sellers page say 19% for the strain or did it claim 22% ect but only got 19% at max, I'd love to know if a 30% claim on the page would mean it's max might only get to 25% at peak. Also by 6% each week I'm presuming that means on a 19% strain each week you lose 1.14%

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