Sour Trees has the aroma of diesel fuel and grapefruit. After smoking the strain, you will realize it has a grapefruit berry taste during the inhale. It can be a bit sour but it is exceptionally smooth at the same time. However, during the exhale it can be quite intense and smokey. The high is invigorating with an instant two hour energy punch. You will be bouncing off walls and will be coming up with captivating and innovative ideas in no time.