gold season
n.— «The foliage grows up to 10 feet a year, though in the “gold season”—a flattering term for the dry months of December through April—most trees lose their leaves, leaving the landscape barren.» —“In a Corner of Costa Rica, a Beachhead for Luxury” by Janelle Brown New York Times Feb. 3, 2006. (source: Double-Tongued Dictionary)