Grow Boxes are self-contained ecosystems for your plant that include lighting, fans, and feeding docks. Time to harvest Approximate number of weeks after germination the flower should be ready to harvest. However, this is simply not true.  Source: <a href=http://mammadoghatian.com/2023/07/13/how-long-do-weed-seeds-keep-good/>http://mammadoghatian.com/2023/07/13/how-long-do-weed-seeds-keep-good/</a>