Arabica · Bourbon-related
Source: World Coffee Research
Parentage (WCR): Scott Laboratories selection (Kenya)
We trace SL28 across 11 growing origins, led by Kenya — every lot tied back to the farm it came from.
Growing origins behind the SL28 lots we track — ranked by lot count.
+ 5 more lots across 3 other origins.
Based on 119 tracked lots— reflects our catalogue, not the variety's full global range.
119 lots tracked across the network.
Zukuka Bora · Uganda · Natural · 2021
Zukuka Bora · Uganda · Honey · 2021
Zukuka Bora · Uganda · Washed · 2021
Zukuka Bora · Uganda · Anaerobic Natural · 2021
Zukuka Bora · Uganda · Natural · 2023
Zukuka Bora · Uganda · Natural · 2019
Nyeri Hill Factory · Kenya · Washed · 2025
Gatina Coffee Factory · Kenya · Washed · 2024
Kagumo · Kenya · Washed · 2026
Rungeto Farmers Cooperative Society · Kenya · Washed · 2026
Zukuka Bora · Uganda · Anaerobic Natural · 2023
Zukuka Bora · Uganda · Washed · 2023
Gathugu washing station · Kenya · Washed · 2022
Kibugu FCS · Kenya · Washed · 2022
Thunguri washing station · Kenya · Washed · 2022
Nthimbiri Farmers’ Cooperative Society (FCS) · Kenya · Washed · 2025
La Maravilla · Guatemala · Washed · 2023
Gatatha Farmers Company · Kenya · Washed · 2024
Kii · Kenya · Washed · 2024
Los Andes · El Salvador · Washed · 2025
Ruera Factory · Kenya · Natural · 2025
Chepsangor Hills Estate · Kenya · Anaerobic Washed · 2025
Finca Calle Liles · Costa Rica · Honey · 2025
Karimikui Coffee Factory · Kenya · Washed · 2026
Rungeto FCS (Farmers Cooperative Society) · Kenya · Washed · 2026
Finca Maputo · Ecuador · Washed · 2020
Kapsakisio Farmers Cooperative Society · Kenya · Washed · 2020
Nyakabugi Farmer’s Cooperative Society · Kenya · Washed · 2021
Karinga Factory · Kenya · Washed · 2020
Sipiria · Uganda · Anaerobic Natural · 2021
Bukhanakwa farming group · Uganda · Washed · 2023
Finca El Puente · Honduras · Washed · 2025
Finca Nueva Armenia · Guatemala · Washed · 2024
Kituei · Uganda · Natural · 2024 · 86.3 (roaster-stated)
Karindundu washing station · Kenya · Washed · 2022
Kii Washing Station · Kenya · Washed · 2021
Karimikui Washing Station · Kenya · Washed · 2021
Kamwangi washing station · Kenya · Washed · 2023
Kamwangi washing station · Kenya · Washed · 2022
Ichamama washing station · Kenya · Washed · 2021
Muchagara washing station · Kenya · Washed · 2022
Gititu Farmers Co-operative Society · Kenya · Washed · 2024
Gakundu Farmers Cooperative Society · Kenya · Washed · 2025
Ruthaka Farmer Cooperative Society · Kenya · Washed · 2025
La Isla · Costa Rica · White Honey · 2023 · 88.0 (roaster-stated)
Nyabirongo Washing Station · Uganda · Natural · 2024
Neira Café Lab · Kenya · Washed · 2023
Ivan Gutierrez · Costa Rica · Washed · 2023
Ivan Gutierrez · Costa Rica · Washed · 2024
Mahiga factory · Kenya · Double Fermented Washed · 2024
Gitwe Farmer Cooperative Society Ltd · Kenya · Washed · 2026
Kirinyaga Community Producers · Kenya · Washed · 2024
Gakundu Coffee Factory of Gakundu Farmers’ Cooperative Society · Kenya · Washed · 2025
Gathaithi Farmers’ Cooperative Society · Kenya · Washed · 2021
Giakanja Farmers Cooperative · Kenya · Washed · 2017
New Kiriti Farmer's Cooperative Society · Kenya · Washed · 2018
Mugaga Farmers Cooperative Society · Kenya · Washed · 2015
Rungeto Farmers Cooperative Society · Kenya · Washed · 2023
Murue Farmers Cooperative Society · Kenya · Washed · 2015
New Ngariama Cooperative Society · Kenya · Washed · 2017
Central Ngandori Farmers' Cooperative Society · Kenya · Washed · 2022
Rianjagi Farmers Cooperative · Kenya · Washed · 2018
Botz · Kenya · Washed · 2023
Kamagogo · Kenya · Pulped, Dry Fermented, Rinsed & Dried on Raised Beds · 2025
Kanguya Factory · Kenya · Washed · 2025
Bududa farming group · Uganda · Natural · 2021
Karagoto Factory · Kenya · Washed · 2024
Thunguri washing station · Kenya · Natural · 2024
Mutitu FCS (Farmers Cooperative Society) · Kenya · Washed · 2026