“Early harvest olive oil” appears on more and more labels, from small family producers to large international brands. However, the term is rarely explained. In this article, we look at what early harvest olive oil really is, how it differs from oil made from ripe olives, and what to look for when you buy it.
What does “early harvest” olive oil mean??
Early harvest means that the olives are picked at the very beginning of the season, while they are still green or just starting to change colour. However, there is no fixed date. The right moment depends on the olive variety, the local climate, the altitude and even the position of each grove, as well as the weather of that particular year. In much of Greece it usually falls between October and early November, but two groves in the same region can be ready weeks apart.
For this reason, producers decide by watching the fruit, not the calendar. At this stage the olive is not yet fully ripe. As a result, it contains less oil, but far more of the natural compounds that give olive oil its aroma, colour and character.
Is early harvest olive oil an official term?
No. Unlike “extra virgin”, which must meet strict chemical and sensory standards set by the International Olive Council and EU law, “early harvest” has no legal definition. In other words, any producer can print it on a label. For this reason, the term only means something when it comes with proof: the harvest date and a lab analysis of the oil.
What makes early harvest olive oil different?
More polyphenols
Polyphenols are natural antioxidants found in olives. Their levels are highest in young, green fruit and fall as the olive ripens. Therefore, early harvest oils usually contain significantly more polyphenols than oils made from late-season olives. These compounds also protect the oil itself, which helps it stay fresh for longer.
A bitter, peppery character
Polyphenols also shape the taste. Some bring a pleasant bitterness, while one of them, oleocanthal, causes the peppery sensation you feel at the back of the throat. In a good early harvest oil, bitterness and pepper are signs of quality, not defects.
Green colour and fresh aromas
Young olives are rich in chlorophyll, which gives early harvest oil its deep green colour. On the nose and palate, you will often find fresh-cut grass, tomato leaf, artichoke and green almond.
Less oil, higher value
Green olives hold much less oil than ripe ones. Consequently, a producer needs considerably more olives to make the same litre of oil. This is why early harvest olive oil is produced in smaller quantities and costs more.
Early harvest vs late harvest at a glance
| Early harvest | Late harvest | |
|---|---|---|
| Olive colour | Green to turning | Dark purple to black |
| Oil yield | Lower | Higher |
| Polyphenols | High | Lower |
| Flavour | Grassy, bitter, peppery | Mild, buttery, round |
| Shelf stability | Longer | Shorter |
| Best for | Finishing and raw dishes | Everyday cooking |
How chefs use early harvest olive oil
Because its flavour is intense, early harvest olive oil shines when used raw: over grilled fish, raw seafood, salads, soups and legumes, or simply with good bread. In addition, its natural stability makes it suitable for gentle cooking. Many chefs keep it as their finishing oil, the final touch that lifts a plate.
How to recognise a genuine early harvest olive oil
- A harvest date on the label, or available on request.
- A lab analysis showing low acidity and a high polyphenol content.
- A bitter and peppery finish when you taste it.
- Protective packaging, such as dark glass or tins, that keeps light away from the oil.
Colour alone is not proof. In fact, professional tasters use dark blue glasses precisely so that colour does not influence their judgement.
Our approach at Manifesto EVOO
At Manifesto, our groves are spread across Messinia, from the plains near Kalamata to the hills of Mani. Because each grove ripens at its own pace, we cannot harvest them all at once. Instead, we follow the trees and the fruit closely and pick each grove separately, at the moment it is ready. The olives then go from grove to press within hours, and every harvest is analysed in the lab, so our partners know exactly what they receive.
You can read more about our early harvest Koroneiki olive oil, or request samples and the latest lab analysis.