A very popular sativa strain is Jack Frost. It is a cross between the Jack Herer and Big Bud genetics, resulting in a plant that is very easy to grow and yields a lot of buds. This strain is often used as an excellent addition to your medical marijuana regimen, especially if you have health problems related to stress. Jack Frost produces a strong and uplifting euphoria that will leave you feeling creative and inspired. It is recommended for daytime use, and is commonly used for stress relief, relaxation, and creativity.