Bonsai is a Asian Pacific Cuisine restaurant located in Ashland Oregon. We offer a full sushi bar. and serve Korean, Chinese, and Japanese dishes. Established in 2004. Top Rated Sushi in Ashland. Sushi, Teriyaki, and Korean Barbeque. Teriyaki Bentos, Yakisoba, Bulgogi, and Spicy Tuna Rolls are popular. Bonsai Sushi is one of the best sushi restaurants in southern Oregon.