Grapefruit Kush is a heavy Indica strain that smells and tastes just like its name. Genetics are (Kush X Grapefruit) X Afghani Kush. Grapefruit Kush is a throwback strain and a perfect tribute the classic Afghanis with superb taste to match. Grapefruit Kush smoke has been decribed as smooth and creamy with a grapefruit-like and hashy taste. Grapefruit Kush is also a great medicinal strain for patients seeking relief from: anxiety, stress, insomnia, pain, migraines, and lack of appetite. THC levels have been reported as high as 17.45%. Growers will love Grapefruit Kush plant for its high yields and 6-7 week flowering time. Growing Grapefruit Kush Marijuana Has Medical Benefits.