Boseong, Hadong and Jeju: A Guide to Korea’s Three Tea Regions

Ask where Korean tea comes from and three names appear again and again: Boseong, Hadong and Jeju. They are often grouped together as Korea’s principal tea regions, but their landscapes, agricultural histories and commercial identities are not interchangeable.

Boseong is known for broad, visually striking plantation landscapes and a strong public identity around green tea. Hadong is associated with steep mountain plots, long-established local knowledge and small-scale production around Hwagae. Jeju brings island conditions, volcanic soils, wind and a modern cultivation environment shaped by its distinct geography.

For a buyer, the practical question is not which region is “best.” It is: Which origin, producer and processing style fits the flavour, story, documentation and service you need?

This guide is written for European specialty tea buyers and hospitality beverage directors comparing Korean tea origins, and it carries the published figures wherever they exist — with their years, their sources and their limits.

The national picture first

Korean tea is a small crop. In 2023 Korea had 2,624 hectares under tea and produced 4,185 tonnes, according to the Rural Development Administration’s National Institute of Horticultural and Herbal Science, citing the Ministry of Agriculture, Food and Rural Affairs 주요통계 2025.

The area is contracting, not growing: 2,845 ha in 2019 → 2,721 ha in 2021 → 2,624 ha in 2023. Any sourcing plan built on the assumption that Korean tea supply is expanding is built on the wrong trend.

One point matters more than any other number in this article: that 4,185 t figure is fresh leaf (생엽), not finished tea. The conversion is roughly 5:1 — one kilogram of fresh leaf yields about 200 g of dried tea (KREI, 농업경제연구 31(4), 2006). On that basis, Korea’s entire 2023 crop corresponds to roughly the order of 800 tonnes of finished tea. Confusing fresh leaf with finished tea is the standard error in English-language writing about Korean tea, and it inflates the apparent size of the industry roughly fivefold.

Korea’s three tea regions at a glance

These are orientation points, not flavour guarantees. Cultivar, harvest date, weather, producer decisions and storage can matter as much as the region name.

How to read these numbers

• Production figures are fresh leaf (생엽). Korea’s national tea series is compiled on a fresh-leaf basis, and the regional tonnages above sit inside that same framework — read them as fresh leaf, not as finished tea.
• Apply roughly 5:1. One kilogram of fresh leaf yields about 200 g of dried tea (KREI, 2006). Divide any tonnage here by about five before comparing it to a finished-tea figure from another country.
• The years do not line up. Hadong’s share is a 2017 figure and its area and household data are from 2008; Jeju’s data is 2022–23; Boseong’s share carries no stated year. The three published shares (23%, 34%, 35%) come from different sources in different years and should not be read as a single simultaneous snapshot — cross-region comparison of raw tonnage or share is approximate.

Why tea region matters

Terroir is often used as if soil alone determines taste. In tea, it is more useful to understand terroir as a relationship between climate, terrain, plant material, farming, local knowledge and processing.

A regional name can tell you where to begin, but not where to stop. Two teas from the same county may differ because one was harvested earlier, grown at a different elevation, shaded, steamed instead of pan-fired, or finished by a different maker. This is why professional sourcing must move from country to region, then from region to producer and lot.

Our earlier guides explain the wider context: Why Korean Tea Is Different introduces Korea’s maker-led tea culture, while Korean Tea vs Japanese and Chinese Tea compares the three traditions through processing and hospitality.

Boseong: an engineered landscape, not a natural one

Boseong, in South Jeolla Province, is the image many international visitors first associate with Korean tea: green rows curving across hillsides in carefully maintained plantations. Korea Tourism Organization materials consistently present Boseong as a central green-tea destination, with tea fields, a tea culture park and public experiences built around the region’s production identity.

The more interesting fact is that those hillsides were built. Boseong’s terraces are cut on 2 m contour intervals, with planting beds excavated to a depth of 50 cm and a 30 cm layer of organic matter laid in. Boseong’s soil story is an engineering story, not a geology story — the growing medium was specified and constructed, which is precisely why the region can deliver visual and agronomic uniformity at scale. That distinguishes it sharply from Hadong, where the soil is what the mountain provides.

The climate is the mildest and driest of the three regions: mean annual temperature 13.4 °C and annual rainfall 1,450 mm, per Boseong County’s official heritage site (bstea.kr).

Boseong also carries the strongest formal marks in the Korean domestic system. 보성녹차 was Korea’s first registered geographical indication, in 2002, and the Boseong tea landscape was designated Korea’s Important Agricultural Heritage System No. 11 on 29 November 2018 by the Ministry of Agriculture, Food and Rural Affairs. Boseong is not a FAO GIAHS site — Korea’s GIAHS list comprises Cheongsando (2014), Jeju Batdam (2014), Hadong Tea (2017) and Geumsan Ginseng (2018). Suppliers occasionally blur the national designation into the FAO one; they are different registers and only the second is international.

What shapes Boseong tea?

• Engineered contour terraces on 2 m intervals, with constructed 50 cm beds and a 30 cm organic layer.
• A humid southern climate: 13.4 °C mean annual temperature, 1,450 mm rainfall (bstea.kr).
• Mixed plant material — 재래종 alongside improved cultivars — rather than a single population type.
• Production that can include steamed, pan-fired and mechanically finished green teas, depending on the estate.
• A strong regional tourism and festival infrastructure that makes Boseong easier to communicate internationally.

Boseong teas are sometimes described as clean, fresh, vegetal or softly nutty. Those descriptions can be useful, but they should never replace a lot-specific tasting. An early spring pan-fired tea and a later steamed tea from Boseong can behave very differently in the cup.

One caution on figures: Boseong County states that the region accounts for 34% of national production, but does not attach a year to that claim, and its current area and output figures are not consistently published — the county’s own numbers do not reconcile cleanly with each other or with the national total. Treat any hectare or tonnage figure quoted to you for Boseong as a supplier claim to be verified, not as a published statistic.

Who should source from Boseong?

Boseong can be a strong starting point for retailers, cafés and hotels that need a recognisable Korean origin with a clear visual story. It can also support a tiered menu: an approachable everyday green tea alongside an earlier-harvest premium lot.

When evaluating suppliers, ask whether “Boseong” refers to the actual garden, the processing location or simply a regional brand claim. Request the estate name, harvest year, lot number and processing specification.

Hadong: mountain tea, heritage and genuinely small lots

Hadong lies in South Gyeongsang Province near Jirisan and the Seomjin River. The Hwagae area is especially significant in Korean tea history. The Food and Agriculture Organization designated the Traditional Hadong Tea Agrosystem in Hwagae-myeon, Republic of Korea as a Globally Important Agricultural Heritage System in 2017, describing a landscape where tea cultivation adapted over centuries to steep terrain, biodiversity and local knowledge. Domestically it was designated Korea’s Important Agricultural Heritage System No. 6 in 2015.

The designation rests on how completely tea occupies the local economy: in Hwagae-myeon, 801 of 951 households (84.2%) work in tea, according to the FAO GIAHS record.

Hadong is also the 재래종 (jaerae-jong) heartland — a seed-propagated native population rather than a clonal one. Hadong County and the FAO GIAHS dossier note that the plants reproduce by insect and wind, so every bush in an old garden is genetically distinct. For a buyer this is the single most consequential difference from a cultivar-planted garden: the material is a population, not a clone, and year-to-year and plot-to-plot variation is structural rather than accidental.

The region’s conditions are warmer and considerably wetter than Boseong’s: mean annual temperature 14.0 °C and annual rainfall 1,789 mm (Jeju ARES regional comparison table). The soil is mildly acidic, well-drained gravelly sandy-gravel (사력질) — granitic mountain material, per 한국향토문화전자대전.

“Small-batch” is a claim worth substantiating rather than asserting, and here it can be. A 2014 field survey of three Hwagae villages measured fresh-leaf yields of 752–2,408 kg/ha, with a mean of 1,462 kg/ha (황정규·김용덕, 농업생명과학연구 50(2), 2016). At the 5:1 conversion that mean is on the order of 290 kg of finished tea per hectare, and the spread between the weakest and strongest plots is more than threefold. Small volumes and wide variability are measured features of Hadong tea growing, not marketing language.

Two older figures are still widely repeated for Hadong and should always be dated. As of 2008, Hadong had 1,048 ha under tea, 2,230 t of production and 2,100 farming households — roughly 45% of all Korean tea farms (RDA / 한국향토문화전자대전). Those are 2008 numbers, not current ones, and given the national contraction since then they should not be presented as today’s position. The most recent published share is 23% of national production in 2017 (korea.kr).

We deliberately do not quote FAO’s tonnage figure for Hadong: the FAO page is internally contradictory on units. We use the FAO source for the designation only.

What shapes Hadong tea?

• Steep mountain and valley plots, often with varied exposure and microclimates.
• 14.0 °C mean annual temperature and 1,789 mm of rain, on mildly acidic, well-drained gravelly sandy-gravel soil (사력질).
• Seed-propagated 재래종 populations in which every bush is genetically distinct.
• Measured fresh-leaf yields of 752–2,408 kg/ha, mean 1,462 kg/ha (2014 survey, three Hwagae villages).
• Small-batch pan-firing traditions alongside modern and hybrid processing.
• Strong variation between villages, gardens, makers and harvest dates.

Well-made Hadong green teas may show tender herbs, chestnut, flowers, gentle sweetness or a lingering mineral impression. Again, these are tendencies, not rules. Processing can amplify or hide the regional character.

Why buyers value Hadong

Hadong offers a compelling provenance story for specialty retail, fine dining and luxury hospitality. A named maker, exact village and spring harvest can support a tableside narrative that feels specific rather than generic — and the GIAHS designation, the 재래종 population and the measured per-hectare yields give that narrative documentary backing.

The trade-off is complexity. Small lots may have limited volume, uneven documentation or different naming conventions between producers. European buyers should confirm traceability, pesticide testing, food-safety documentation, batch consistency and realistic annual availability before building a permanent menu around one lot.

Elevation: the number we could not find published

Buyers are routinely told to ask about elevation, and they should. But it is worth being direct about what is and is not on the record.

Elevation is one of the few terroir variables we could not find published for any of the three regions. We searched and did not find a government, academic or institutional source giving a cultivation elevation range for Hadong, Boseong or Jeju — which is not the same as saying no such record exists, only that we could not retrieve one. In practice that means the figure has to come from the producer at lot level, and a supplier who can give it to you is telling you something real about their traceability.

The elevation figures we did find in circulation are individual estate claims rather than regional ranges. Daehan Dawon, for example, puts its own Boseong estate at approximately 350 m on its website — a single estate’s self-published figure, not a Boseong range. And the “over 1,200 m above sea level” figure that appears in Rural Development Administration material and is often attached to Hadong tea is the height of the Jirisan massif, not the height of the tea gardens on it; mountain height and garden height are different numbers, and it should not be used in menu or packaging copy as though it were the latter.

The practical move is to stop treating elevation as a regional attribute and start treating it as a lot attribute you request in writing, alongside garden name and harvest date.

Jeju: volcanic soil, and one estate that dominates it

Jeju is a volcanic island south of the Korean Peninsula. Its agricultural landscape is shaped by wind, rainfall, porous volcanic ground and extensive stone-wall systems. FAO recognises Jeju’s batdam stone-wall agricultural system, designated in 2014, for the way the walls help communities farm under strong island winds and challenging soil conditions. That designation covers the stone-wall field system — it is not a tea designation, and it should never be presented as heritage recognition of Jeju tea.

The island’s real terroir differentiator is its soil: volcanic ash soil (화산회토), which makes up over 70% of Jeju’s soils — a genuinely different growing medium from Hadong’s granite gravel. Jeju is also the warmest and wettest of the three regions: mean annual temperature 16.2 °C, annual rainfall 1,850 mm, effective accumulated temperature 2,269 °C (Jeju Provincial Agricultural Research & Extension Services).

The scale figures matter as much as the soil. In 2022–23 Jeju had 593 ha under tea and produced 1,517 t of fresh leaf — about 35% of national production — from only 40 tea farms, stated directly by the director of Jeju Provincial Agricultural Research & Extension Services.

Forty farms is the whole island. And within that, Osulloc (Amorepacific) alone farms 330.6 ha — about 56% of Jeju’s total tea area — and accounts for roughly 25% of Korea’s entire tea production, against Jeju’s 35% overall (Jeju investment portal, InvestKOREA/KOTRA). Jeju is therefore not a smallholder region in any meaningful sense: it is one large estate plus a few dozen small growers. We would rather you read that here than discover it after building a menu narrative on “island smallholders.”

Plant material follows from that history. Jeju plantings include substantial Japanese cultivar acreage — Yabukita and Fushun among them — planted from the 1979 estate development onward. A Jeju garden is much more likely to be a named clonal cultivar than a Hadong 재래종 population, and that difference shows in cup consistency in both directions.

What shapes Jeju tea?

• Volcanic ash soil (화산회토), over 70% of the island’s soils, with rapid drainage.
• The warmest and wettest of the three regions: 16.2 °C, 1,850 mm, effective accumulated temperature 2,269 °C.
• Substantial Japanese cultivar acreage (Yabukita, Fushun) dating from the 1979 estate development.
• High concentration: 40 farms across 593 ha, one estate holding about 56% of the area.
• Modern estate management and processing infrastructure, supporting steamed green tea, shaded leaf production, powdered tea and branded blends.

Jeju teas may present bright green aromatics, marine or vegetal notes, sweetness and a polished texture, depending on shading, cultivar and steaming. The island name alone cannot tell a buyer whether a tea is ceremonial-grade powder, a single-origin leaf tea or a flavoured commercial blend.

Who should source from Jeju?

Jeju can suit buyers who need more regular volume, a modern Korean island story or green-tea formats that work across retail, café and hospitality channels. It is particularly relevant when menu development requires leaf tea, matcha-style powder, cold brew or culinary applications from one regional narrative.

Ask suppliers to separate estate-grown Jeju tea from products merely blended, packed or branded on the island. Confirm cultivar, shading, milling or steaming specifications and whether the powder is made from tencha-style material or another green-tea base. Given that 40 farms account for the entire island, also ask plainly which of them grew your leaf.

Boseong vs Hadong vs Jeju: which region fits your menu?

A practical selection begins with the guest experience you want to create.

• Choose Boseong when you want an approachable introduction to Korean green tea, a recognisable engineered-terrace landscape, Korea’s first geographical indication (2002) and a flexible range of price points.
• Choose Hadong when you want named-maker provenance, mountain heritage, a GIAHS-designated 재래종 landscape, genuinely small measured yields and a tea that can carry a premium tableside narrative.
• Choose Jeju when you want a volcanic-ash-soil identity, modern cultivar-based production, powder or café applications and potentially more scalable supply — accepting that supply is concentrated in very few hands.

A strong Korean tea menu does not need to choose only one. A three-region flight can make terroir tangible: one tea from Boseong, one from Hadong and one from Jeju, brewed to reveal differences in aroma, texture and finish.

How European buyers should evaluate regional claims

Before listing a region on a menu or package, request evidence that connects the tea to that place.

1. Producer and garden: Who grew the leaf, and where is the garden located?
2. Harvest: What year, season and picking standard?
3. Plant material: 재래종 seed-grown population, named cultivar, or mixed garden?
4. Elevation: At lot level, in metres, from the producer — because we have found no public source that will supply it for you, and because a mountain’s height is not a garden’s height.
5. Processing: Steamed or pan-fired? Oxidation level? Roast and drying method?
6. Traceability: Lot or batch number and quantity available.
7. Units: If a supplier quotes tonnage, confirm whether it is fresh leaf or finished tea. The 5:1 difference is large enough to change how a claim reads.
8. Compliance: Pesticide, microbiological and organic documentation required for the destination market.
9. Service fit: Brewing recipe, cost per serving and staff explanation.

This is especially important for Korean tea because poetic product names and regional references do not always function as legal origin specifications.

Building a regional Korean tea programme

For retail and hospitality, origin becomes valuable when staff can translate it into a simple guest-facing story.

A practical menu description might follow this structure:

Hadong spring green tea — mountain-grown near Jirisan, pan-fired in small batches, with tender herbs, chestnut sweetness and a long, quiet finish.

The description names origin, process and sensory result without claiming that all Hadong tea tastes the same.

Explore KTeaShop’s South Korean Tea collection and Single Origin Tea collection. For sourcing, menu development and staff training, visit Tea for Business or our dedicated Korean Tea Wholesale for Hotels page.

Frequently asked questions

Where is most Korean tea grown?

Korea’s best-known commercial tea origins are concentrated in the southern regions, especially Boseong, Hadong and Jeju. The whole national crop is small — 2,624 ha and 4,185 t of fresh leaf in 2023 (RDA/NIHHS, citing MAFRA 주요통계 2025) — and the planted area has been shrinking since at least 2019. Other farms and local tea traditions also exist, so these three should be understood as the main international reference points rather than the complete map.

Are Korean production figures fresh leaf or finished tea?

Fresh leaf (생엽). The conversion to dried tea is roughly 5:1 — 1 kg of fresh leaf gives about 200 g of finished tea (KREI, 농업경제연구 31(4), 2006). Treating a fresh-leaf tonnage as finished tea overstates Korean output roughly fivefold, and it is the most common error in English-language coverage.

Is Hadong tea always wild tea?

No. Hadong includes old seed-grown gardens, cultivated plots and varied production systems. It is genuinely the 재래종 heartland — a seed-propagated native population in which, because the plants reproduce by insect and wind, every bush is genetically distinct (Hadong County; FAO GIAHS). But terms translated as “wild,” “semi-wild” or “native” still need producer-level clarification.

Is Jeju tea the same as Osulloc tea?

Not the same — but the overlap is much larger than most buyers assume. Osulloc (Amorepacific) alone farms 330.6 ha, about 56% of Jeju’s total tea area, and accounts for roughly 25% of Korea’s entire tea production, while Jeju as a whole accounts for about 35% (Jeju investment portal, InvestKOREA/KOTRA; Jeju ARES, 2022–23). With only 40 tea farms on the island, Jeju is one large estate plus a few dozen small growers. Other Jeju gardens and producers do exist and are worth seeking out, but “Jeju origin” should not be read as a smallholder claim.

Is Boseong a FAO World Agricultural Heritage site?

No. Boseong holds Korea’s national designation — Important Agricultural Heritage System No. 11, designated 29 November 2018 by MAFRA — and 보성녹차 was Korea’s first registered geographical indication in 2002. Korea’s four FAO GIAHS sites are Cheongsando (2014), Jeju Batdam (2014), Hadong Tea (2017) and Geumsan Ginseng (2018). Of the three tea regions here, only Hadong holds a FAO tea designation.

What elevation is Korean tea grown at?

We have not found a published answer. Elevation is one of the few terroir variables we could find no Korean public record of for Hadong, Boseong or Jeju, so it has to be requested from the producer at lot level. Individual estates sometimes publish their own: Daehan Dawon states approximately 350 m for its Boseong estate. Figures around 1,200 m sometimes attached to Hadong tea describe the height of the Jirisan massif, not the height of the tea fields on it.

Which Korean region makes the best green tea?

No region guarantees quality. The best choice depends on the producer, harvest, processing, storage and intended use. Compare specific lots under the same brewing conditions.

Can a hotel serve all three regions together?

Yes. A regional tasting flight is one of the clearest ways to introduce Korean terroir. Keep the service operationally simple and give staff one accurate sentence for each tea.

Sources and further reading

• Rural Development Administration / National Institute of Horticultural & Herbal Science, citing Ministry of Agriculture, Food and Rural Affairs 주요통계 2025 — national tea area and production, 2019/2021/2023.
• Korea Rural Economic Institute, 농업경제연구 31(4), 2006 — fresh-leaf to dried-tea conversion (approximately 5:1).
• Food and Agriculture Organization: Traditional Hadong Tea Agrosystem in Hwagae-myeon, Republic of Korea — designation (2017), household participation in Hwagae-myeon. Used for the designation only; the page’s tonnage figure is internally inconsistent on units and is not cited here.
• Food and Agriculture Organization: Jeju Batdam Agricultural System (2014) — a stone-wall field system, not a tea designation.
• korea.kr (Korean government policy briefing) — Hadong share of national production, 2017.
• Rural Development Administration / 한국향토문화전자대전 — Hadong area, production, household count (all 2008) and soil description (사력질).
• 황정규·김용덕, 농업생명과학연구 50(2), 2016 — measured fresh-leaf yields in three Hwagae villages, 2014 survey.
• bstea.kr, official site of Korea’s Important Agricultural Heritage System No. 11, operated by Boseong County — Boseong share of national production, climate data, terrace construction specification.
• Jeju Provincial Agricultural Research & Extension Services — Jeju area, production, farm count and share (2022–23); regional climate comparison table.
• Jeju investment portal (InvestKOREA / KOTRA) — Osulloc cultivated area and share of national production.
• Hadong County — 재래종 seed-propagated population.
• Daehan Dawon — self-published estate elevation (approximately 350 m), Boseong.
• Korea Tourism Organization: Boseong Green Tea Festival
• Korea Tourism Organization: Hadong Tea Cultural Center
• Republic of Korea Ministry of Agriculture, Food and Rural Affairs: Korean agriculture and regional tea references

Sources reviewed 3 August 2026. Statistics are reproduced with the year and source stated; figures from different regions come from different years and are not directly comparable. Production tonnages are fresh leaf (생엽) unless otherwise stated. Regional flavour descriptions are editorial tasting orientation, not guarantees for every producer or lot.