Based in San Diego , California, Seed Supreme is one of the very few cannabis seed banks in the USA. They include both male and female seeds. How Long Does The Vegetation Phase Last.  Source: <a href=https://reitshop24.info/how-long-do-weed-seeds-stay-good/>https://reitshop24.info/how-long-do-weed-seeds-stay-good/</a>