Reserve (5 years)- This is the minimum amount of aging that a wine labeled with one of the noble varieties is permitted to have.
Special Reserve(10 years)-At this point the wines are often aged naturally without any artificial heat source.
Extra Reserve (over 15 years)-This style is rare to produce with many producers extending the aging to 20 years for a vintage or producing a “colheita”. It is richer in style than a Special Reserve Madeira.
Colheita or Harvest-This style includes wines from a single vintage but aged for a shorter period than true Vintage Madeira. The wine can be labeled with a vintage date but include the word “colheita” on it.