"Early harvest" on a Greek olive oil label means the olives were picked green, before full ripeness, usually from October to early November. Green fruit gives less oil, but that oil is typically greener, more bitter, more peppery and higher in polyphenols. The term has no legal definition in the EU or Greece. To trust it, look for the harvest month, a tested polyphenol number and a flavour with real bitterness and pepper.
What the term means in practice
Olives change as they ripen. They start green and firm, turn through yellow-green and purple, and end soft and black. Early harvest means picking at the start of that journey, when the fruit has reached full size but is still mostly green.
In Greece, that window usually falls from late October into early November. The exact dates depend on the region, the altitude and the year. Koroneiki, the main Greek oil variety, is often harvested early for this style of oil. Our profile of Koroneiki olive oil explains why.
Agourelaio: the Greek word for early-harvest oil
In Greek, early-harvest oil is called agourelaio (αγουρέλαιο). The word joins "agouro", meaning unripe, with "elaio", meaning oil. Traditionally it named the first, green oil of the season, often kept by families for raw use rather than cooking.
You may see agourelaio on Greek labels next to or instead of "early harvest". Like the English phrase, it is a traditional description, not a regulated grade.
Early harvest vs standard harvest
The table below shows the general pattern. Individual oils vary with the grove, the season and the mill.
| Early harvest | Standard harvest | |
|---|---|---|
| Timing in Greece | Late October to early November | November to January |
| Colour of fruit | Green, firm | Purple to black, softer |
| Yield | Lower oil per kilo of olives | Higher oil per kilo of olives |
| Flavour | Grassy, green, bitter, strongly peppery | Rounder, fruitier, milder |
| Polyphenols | Typically higher | Typically lower |
| Price | Higher, because fewer litres come from the same trees | Lower |
The trade-off is simple. As an olive ripens, it fills with oil and its phenolic compounds decline. An early harvest gives up volume to keep more of those compounds. Our article on why early harvest affects quality covers the science.
Why the label alone is not enough
EU marketing rules define the grades of olive oil, such as extra virgin, and the terms that describe extraction (European Commission, 2022). "Early harvest" is not one of them. No rule sets a cut-off date, a fruit colour or a minimum polyphenol level for the phrase.
That leaves room for loose use. A producer picking in mid-November might call the oil early harvest. So might one who blends a little green-fruit oil into a larger, riper batch. Neither is necessarily wrong, but the words alone do not tell you much.
The phrase is also not a grade. An early-harvest oil still needs to meet the extra virgin limits for acidity and sensory quality. It can also lose its freshness like any other oil if it is old or badly stored.
What to look for alongside "early harvest"
Treat the phrase as an invitation to check three things.
- A harvest month. A date such as "October 2025" or "November 2025" backs up the claim. A crop year without a month is weaker, and no harvest date at all is a red flag. Our olive oil label guide covers the rest of the label.
- A polyphenol number with a report. A tested figure in mg/kg, ideally from HPLC analysis, turns a style claim into evidence. The EU health claim for olive oil polyphenols needs at least 5 mg of hydroxytyrosol and its derivatives per 20 g of oil, which is about 250 mg/kg (European Commission, 2012). Ask for the report behind the number. Our page on high-phenolic olive oil explains how to read one.
- Bitterness and pepper in the taste. Fresh early-harvest oil should taste green and bitter and leave a clear peppery catch in the throat. A smooth, mild oil sold as early harvest is either old or not very early. Read more on why bitterness and pepper signal quality.
Origin matters too. A Greek label should name Greece as the country of origin, and may name a region or a PDO. See our guide to PDO and PGI Greek olive oil.
How Pomoni does it
Pomoni is early-harvest Koroneiki oil from Greek groves, picked while the fruit is green and milled within hours using cold extraction. We print the harvest month on every bottle so the early-harvest claim can be checked. Every batch is tested by HPLC, and the certificate is published on our testing and certifications page. The oil comes in dark glass in 100, 250 and 500 mL sizes. See the current batch on the Pomoni high-phenolic olive oil page, or read more about Greek olive oil.
Frequently asked questions
Is "early harvest" a legal term on olive oil?
No. EU and Greek rules do not define it. Check for a harvest month and a tested polyphenol figure to confirm the claim.
What does agourelaio mean?
Agourelaio is Greek for early-harvest oil. It means "unripe oil" and traditionally names the first green oil of the season.
Is early-harvest olive oil always higher in polyphenols?
Usually, but not always. Grove, season, milling and storage all affect the result, so only a lab test for that batch can confirm the level.
Can I cook with early-harvest olive oil?
Yes. Many people save it for raw use, such as dressing salads and finishing dishes, where its green flavour shows best. It works for everyday cooking too.
Sources
- European Commission. Commission Delegated Regulation (EU) 2022/2104 on marketing standards for olive oil. 2022. eur-lex.europa.eu
- European Commission. Commission Regulation (EU) No 432/2012 establishing a list of permitted health claims. 2012. eur-lex.europa.eu
- EFSA Panel on Dietetic Products, Nutrition and Allergies. Scientific opinion on health claims related to polyphenols in olive. EFSA Journal 2011;9(4):2033. doi.org/10.2903/j.efsa.2011.2033
- International Olive Council. Trade standard applying to olive oils and olive pomace oils, COI/T.15/NC No 3. internationaloliveoil.org
