Why Does The Harvest Date On Olive Oil Matter? - Chowhound

To understand the harvest date's significance, it helps to understand the other important date on your oil's label. While a harvest or pressing date is relatively rare, a "best use by date" can be found on any bottle. Manufacturers set this date at two years after the oil was bottled. Advertisement However, the best-by date doesn't tell an oil's age — it only indicates when the oil was bottled, not when the…