Blue Goo is a Sativa dominant combination of Blue Dream and Afgooey. The buds are dark green in color with creamy orange hairs dispersed throughout.Blue Goo strain has a tendency to turn purple depending on temperatures. Some patients report the smell to be tangy sweet and zesty, while others say Blue Goo smells like a blueberry cookie. There are numerous patient reviews ofBlue Goo strain available. The taste has been most commonly described as sweet and smooth, with a higher than average potency. Blue Goo is a strain that can be smoked any time during the day and remain social. Common ailments treated withBlue Goo strain are Depression, Nausea, Stress, and Anxiety. Growing: Blue Goo strain finishes up between 65 and 70 days, and provides a solid yield. Blue Goo.