Buy Runtz Cannabis Strain AU Online. Runtz is a popular hybrid strain with a candy-like flavor profile that’s reminiscent of fruit-flavored candies. It’s a balanced 50% indica/sativa hybrid. The strain is 50% indica and 50% sativa. It delivers a mild euphoria that’s partly uplifting and partly soothing. Runtz is a cross between Zkittlez and Gelato. Runtz is celebrated for its creamy smoke that is smooth and welcoming. This strain of weed produces euphoric highs and uplifting effects that are known to be long-lasting.