SL28

Arabica · Bourbon-related

Details

SpeciesArabica

Genetic lineageBourbon-related

Also known asSL-28, SL 28

Coffees1339

Harvests tracked200

Farms growing697 farms

Roasters offering401 roasters

WCR DNA reference—

Flavor Profile

blackcurrant
Fruity › Berry › Blackcurrant
citrus
Fruity › Citrus

Agronomics & genetics

Optimal altitude1400–2100 masl

012002400+ masl

Yield

medium

Cup quality

exceptional

Leaf-rust resistance

susceptible

Parentage: Scott Laboratories selection (Kenya)
Plant stature: tall
Released: 1931

Source: World Coffee Research

Genetic lineage

SL28

Descendants

Batian

Parentage (WCR): Scott Laboratories selection (Kenya)

In the field

We trace SL28 across 25 growing origins, led by Kenya.

Where it grows

Growing origins behind the SL28 coffees we track, ranked by coffee count.

Kenya

926 · 69%

Uganda

164 · 12%

Costa Rica

56 · 4%

Colombia

53 · 4%

Honduras

27 · 2%

El Salvador

24 · 2%

Tanzania

16 · 1%

Brazil

12 · 1%

+ 59 more coffees across 17 other origins.

Based on 1339 tracked coffees, reflects our catalogue, not the variety's full global range.

Harvests carrying this variety

200 harvests tracked across the network.

Zukuka Bora4 roasters

Zukuka Bora · Uganda · Natural · 2021

Sipi3 roasters

Sipi · Uganda · Anaerobic Natural · 2024

Zukuka Bora3 roasters

Zukuka Bora · Uganda · Natural · 2019

Zukuka Bora3 roasters

Zukuka Bora · Uganda · Anaerobic Natural · 2021

Nyeri Hill Factory2 roasters

Nyeri Hill Factory · Kenya · Washed · 2025

Chepsangor Hills Estate2 roasters

Chepsangor Hills Estate · Kenya · Anaerobic Washed · 2025

Nthimbiri Farmers’ Cooperative Society (FCS)2 roasters

Nthimbiri Farmers’ Cooperative Society (FCS) · Kenya · Fully Washed · 2025

Ruera Estate2 roasters

Ruera Estate · Kenya · Washed · 2026

Gititu2 roasters

Gititu · Kenya · Washed · 2025

Kamwangi2 roasters

Kamwangi · Kenya · Washed, Dried on Raised Beds · 2025

Karimikui Coffee Factory2 roasters

Karimikui Coffee Factory · Kenya · Washed · 2026

Kagumo2 roasters

Kagumo · Kenya · Washed · 2026

Hacienda Sonora2 roasters

Hacienda Sonora · Costa Rica · Natural · 2024 · 88.5 (roaster-stated)

Ruera Factory2 roasters

Ruera Factory · Kenya · Natural · 2025

Gatina Coffee Factory2 roasters

Gatina Coffee Factory · Kenya · Washed · 2024

Muburi Coffee Factory2 roasters

Muburi Coffee Factory · Kenya · Washed · 2023

Privem Estate2 roasters

Privem Estate · Kenya · Washed · 2024

Zukuka Bora2 roasters

Zukuka Bora · Uganda · Natural · 2024

Bulaago2 roasters

Bulaago · Uganda · Honey · 2021

Zukuka Bora Coffee Company2 roasters

Zukuka Bora Coffee Company · Uganda · Anaerobic Natural · 2024

Zukuka Bora2 roasters

Zukuka Bora · Uganda · Anaerobic Natural · 2023

Rungeto Farmers Cooperative Society

Rungeto Farmers Cooperative Society · Kenya · Washed · 2026

Dak Coffee Roasters·Cassis (New Harvest) - Kenya

Korongo Coffee Cooperative

Korongo Coffee Cooperative · Tanzania · Washed · 2024

19grams·20 Korongo Tansania Espresso

Western Rift Valley

Western Rift Valley · Kenya · Washed · 2025

43 Factory Coffee Roaster·Cà phê Big Tree Estatec PB #2516 - 43 Factory Coffee Roaster

Big Tree Estate

Big Tree Estate · Kenya · Washed · 2025

43 Factory Coffee Roaster·Cà phê Big Tree Estate PB #2516

Smallholders

Smallholders · Uganda · Washed · 2025 · 86.5 (roaster-stated)

Coffea Circulor·UGANDA Kiliti Washed WX

Kangocho Coffee Factory

Kangocho Coffee Factory · Kenya · Natural · 2026

LiLo Coffee Roasters·KENYA Kangocho Natural

Kieni Factory

Kieni Factory · Kenya · Washed · 2025

Commonfolk Coffee Company·Nyeri 25

Uvuu Factory

Uvuu Factory · Kenya · Washed · 2025

Commonfolk Coffee Company·Uvuu Factory 25

Mabono

Mabono · Uganda · Honey · 2025

Counter Culture Coffee·Mabono Honey Processed

Kamavindi Estate

Kamavindi Estate · Kenya · Washed · 2024

Counter Culture Coffee·Kamavindi

Nyabirongo washing station

Nyabirongo washing station · Uganda · Natural · 2025 · 86.3 (roaster-stated)

Dear Green Coffee Roasters·Uganda - Bukonzo Dream - Natural

Sociedad Cooperativa de Agricultores

Sociedad Cooperativa de Agricultores · Kenya · Washed · 2024 · 88.0 (roaster-stated)

Delicias Roaster·Kenia Nyeri

La Esmeralda

La Esmeralda · Costa Rica · Washed · 2025

Passenger Coffee·Ivan Gutierrez SL28

Las Brumas

Las Brumas · El Salvador · Honey · 2025

Drop Coffee Roasters·Las Brumas, WFC Honey SL28, El Salvador

Los Andes

Los Andes · El Salvador · Washed · 2025

Drop Coffee Roasters·Los Andes, Washed SL28, El Salvador

Mugaya Factory

Mugaya Factory · Kenya · Washed · 2026

Drop Coffee Roasters·Mugaya AA, Kenya

Gikanda Farmers Cooperative Society

Gikanda Farmers Cooperative Society · Kenya · Washed · 2026

Eighthirty Coffee Roasters·kenya - gichathaini aa

Kathima Factory

Kathima Factory · Kenya · Washed · 2026 · 88.0 (roaster-stated)

Eva Caffè - Moderna Torrefazione Italiana·Kenya Embu - Eva Caffè

Imani coffee farm

Imani coffee farm · Kenya · Washed · 2025

Flower Child Coffee·Imani

Karatu Coffee Factory

Karatu Coffee Factory · Kenya · Washed · 2025

Flower Child Coffee·Karatu

Githembe Factory

Githembe Factory · Kenya · Washed · 2025

Fuglen Tokyo·【NEW】AA GITHEMBE / KENYA

Karimikui Factory

Karimikui Factory · Kenya · Washed · 2026

Gringo Nordic Coffee Roasters·Kenya Karimikui AA - Gringo Nordic Coffee Roaster

Mugaya

Mugaya · Kenya · Washed · 2025

Hard Beans·Kenia Mugaya AA Top (250g)

Rungeto FCS – Kii Factory

Rungeto FCS – Kii Factory · Kenya · Washed · 2024

Hola Coffee·Kenya - Kirinyaga AA

Kainamui

Kainamui · Kenya · Washed · 2025

Ilse Coffee·Kenya | Kainamui AA

Acacia Hills Estate

Acacia Hills Estate · Tanzania · Washed · 2026 · 88.0 (roaster-stated)

Ineffable Coffee·Acacia Hills SL28

Kimandi

Kimandi · Kenya · Washed · 2026 · 86.5 (roaster-stated)

Kronotrop·Kenya Kirinyaga Washed

Chorongi factory

Chorongi factory · Kenya · Washed · 2025

Kuma Coffee·Kenya Chorongi

Gatomboya Factory

Gatomboya Factory · Kenya · Washed · 2026

Kurasu·Kenya Gatomboya Ab Light Roast

Showing 1–50 of 200

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Coffees of this varietySL281339Farms growing itFarms with SL28286Roasters featuring itRoasters offering SL28401