local_florist Ha Giang buckwheat flower season Buckwheat flowers on the stone plateau Months 9, 10, 11 grass Golden rice terrace season Golden terraces — Hoang Su Phi & nearby Months 9, 10 cloud Cloud hunting in Ha Giang Sea of clouds & sunrise on the passes Months 10, 11, 12, 1, 2, 3 spa Azalea (neao) flower season Azalea bloom on the rocky hills Months 3, 4 event Best time to visit Ha Giang When should you ride the Ha Giang Loop? Months 9, 10, 11, 3, 4