Coffee Blenders Kona coffee is grown on the slopes of the Hualalai and Mauna Loa volcanoes in the north and south Kona districts of Hawaii. This region is one of the unique growing environments in the world. The sunny mornings and rainy afternoons coupled with a mild breeze and altitude make for conditions you will likely not find in any other parts of the world. There is no other experience quite like a cup of Coffee Blenders Kona blend to start off your day!