What makes it Special? What is unique about the Bangalore Rose Onion is that the bulbs have a flat base. The shape is spherical with deep scarlet red colour, anthocyanin, phenols and high pungency.The high pungency makes it preferable in Non -Veg Dishes. It also has higher levels of protein, phosphorus, iron and carotene. "Bangalore Rose Onion is grown only in and around Bengaluru, that is Bengaluru urban, Bengaluru rural