Durban Poison x Z. The lawyers made us change the name, but Durban Z is the same great strain you know and love. This energizing sativa dominant strain features a strong lemon profile layered with a sweet-tart fruitiness. RYTHM Premium Indoor Flower is hand-trimmed offers a variety of expertly cultivated and meticulously cured strains with optimal potencies, lush aromas, and rich flavors.