The Colheita Port wines are superior quality wines from a single vintage. Colheita means harvest in Portuguese, English labels often say Harvest.
A Colheita is kept in wooden barrels for a minimum of 7 years before being bottled and sold. The vintage and year of bottling are always mentioned on the label.
As they age in the barrel, the young, fruity and fresh aromas undergo changes through oxidation and give way to a bouquet of dried fruit, wood and spices. As they age, they also improve in suppleness and balance; the bouquet becomes more complex. The color changes towards gold. The oldest Port wines even get a green nuance.