AAA+ Durban Poison By Green Valley - 24% THC This strain hits with a strong, happy head high that's great for creativity and daytime errands. Paranoia may be a possible side effect, along with dry mouth. Durban Poison is an effective treatment for depression and anxiety, as well as chronic pain, and it can also be helpful with nausea. This strain is ideal for making concentrates, as the bud is covered in over-sized trichomes. The dominant smell and taste of Durban Poison is earthy and sweet, with a subtle pine aroma.