Winter Hyacinth

Source
Winter Hyacinths can be found on the southern face of the Ironwall Dam in Icecrown and are an intermediate quest objective for the following quests:
 * A Worthy Weapon (Alliance Aspirant)
 * A Worthy Weapon (Alliance Valiant)
 * A Worthy Weapon (Horde Aspirant)
 * A Worthy Weapon (Horde Valiant)