Kush has a strong and calming effect on your system that also makes you feel sleepy. Its effect lasts on your body from 40 minutes to about an hour. Kush has a strong smell that is a blend of fruity and dank scents. It is a very potent smelling strain. Kush has a sour and mellow smoke with a fruity undertone. This strain is a good cure for anxiety and stress, as it relieves the terrible symptoms of your depression and stress. As it makes you feel sleepy, it is good for curing insomnia.