Purple Urkle x Bubba Kush Grape Gas. Hybrid Indica Dominant Grape Bubba, an indica-dominant strain created from Purple Urkle and Bubba Kush Grape Gas, is a flavor-packed powerhouse. Expect a rich blend of sweet grape and earthy kush with a hint of gassy undertones that lingers on your palate. The high is deeply calming, wrapping you in a blanket of relaxation while easing both mind and body into a peaceful, stress-free state. Ideal for evening use, Grape Bubba is the perfect companion for unwinding, kicking back, and letting the day melt away.