Hint 1: One and half hour drive from the city that has the greenhouse showed below will take you to this place.
Hint 2: The greenhouse was introduced in the quiz of the month before.
Please send the right answer to email@example.com
and the winner get the present produced in Sorachi sub-prefectural area or coupon worth 3,000 yen. Only the first person who send me the right answer will get the present.
Have a great vacation in Hokkaido!