Seeds are best stored in tinted jars, containing desiccant packs, in the fridge. The Impact of Soil Temperature and Water Potential on Weed Seed Germination and their Roles for Predicting Weed Emergence. Both of which can be purchased from local dispensaries.  Source: <a href=https://sites.google.com/view/join-the-growing-cannabis-comm/>https://sites.google.com/view/join-the-growing-cannabis-comm/</a>