Birthday Cake Kush cannabis strain, whose breeder is currently unknown, is a 50/50 hybrid. The THC level is up to 24%, so only cannabis veterans should opt for this. Birthday Cake Kush is flavored with vanilla skunk and a bit of fruit. Nuts and sweetness takes over the exhale, while the aroma is more delicate. But it still has a pungent skunky-sweetness and a vanilla nuance. It can treat chronic pain, insomnia, headaches or migraines, muscle spasms, and inflammation. Great for daytime use. Birthday Cake Kush cannabis strain will flow happiness through your entire body and uplift your mood. Wave goodbye to mental pain or anxious thoughts and stay high in the sky with this strain. Genetics Breeder: Unknown. Cannabis Genetics: Birthday Cake Kush cannabis strain is a cross of between Girl Scout Cookies and Cherry Pie cannabis strains.