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The Coffee Atlas
Kenya Ruiru 11
Kenya's Ruiru 11 trees grow beside SL28 and SL34 across the central highlands, and two 96 and 97 point washed Nyeri lots reviewed by Coffee Review name them.
Flavor profile
avg. of 2 published reviewsScale: 1-10, Coffee Review / SCA-classic-form convention. Averaged from 2 independently published, dated Coffee Review scores of washed Nyeri lots that name Ruiru 11 among their varieties (Roadmap CoffeeWorks Kenya Nyeri AA, August 2025, rated 96; Kakalove Cafe Kenya Washed Nyeri Hill Factory AA TOP, August 2026, rated 97). Aroma 9 and 9, flavor 10 and 10, acidity/structure 9 and 10, aftertaste 9 and 9, body 9 and 9. Neither lot is pure Ruiru 11: each blends it with SL28 and SL34 (the Roadmap lot also lists Batian), and reviews do not split out the contribution of any one variety. Both are top-of-range lots from one county, so this is a best-lots picture, not a typical Ruiru 11 cup.
What it tastes like
You will almost never see Ruiru 11 on a Kenyan bag as the only variety, and that is the honest starting point for this entry. Sucafina reports that most Kenyan farms, big and small, mix Ruiru 11 with the older SL varieties, so most lots are blends. The question worth asking about Kenyan Ruiru 11 is therefore what it looks like inside the best of those blends.
Two recent Coffee Review lots answer that. A washed Nyeri AA from Roadmap CoffeeWorks, blending Batian, SL28, SL34 and Ruiru 11, scored 96 with black currant, sage, cocoa nib and maple syrup. A washed Nyeri Hill Estate lot roasted by Kakalove Cafe, blending SL34, SL28 and Ruiru 11, scored 97 with black currant, blood orange and cocoa nib. Neither review says how much Ruiru 11 is in the cup, so these scores credit the lots, not the variety. That fits Trabocca’s view that Ruiru 11 is slightly below SL28 and SL34 on quality, and Sucafina’s point that environment and management correlate more strongly with cup score than variety does.
Where the variety does make a difference is on the farm. It is a dwarf, high-yielding Catimor cross released in 1985, resistant to coffee berry disease and leaf rust, and Sucafina notes it has to be picked near purple to taste right. A mill that picks it at the lighter red used for SL trees risks a flatter cup. For the single-variety comparison and its breeding history, see the Ruiru 11 varietal entry.
How to brew it
Method fit for this origin · editorial guidance from roaster convention
Filtered clarity suits the juicy, currant-driven acidity that washed Kenyan lots are chosen for.
Roasters often pull Kenyan lots as espresso, but the high-toned acidity needs careful dialling in to avoid sharpness.
Immersion adds body and sweetness but softens the sparkling fruit that defines these lots.
⚠ Fit tiers are editorial guidance drawn from roaster convention; no industry standard scores brew fit, so we show tiers, never invented numbers. Reflects brew guidance commonly published by specialty roasters for washed Kenyan lots, not an SCA-defined standard.
Altitude & region
Growing elevation, meters above sea level · this entry vs comparison bands
The Kenya range is sourced directly from Sucafina's Nyeri Hill Farm AA page (see Sources & data) and describes that estate, not every Ruiru 11 plot. Ethiopia Yirgacheffe and Brazil Cerrado are shown for scale only, using the ranges already published elsewhere on this site, not lot-specific measurements.
Caffeine content
Caffeine by dry weight · each gold dot = 0.1%
Caffeine content tracks species, not origin, variety, altitude, or processing: Robusta beans contain almost twice as much caffeine as Arabica (see Sources & data). Ruiru 11 is sold as Arabica, though its Catimor parent carries Robusta ancestry. No credible per-origin or per-variety caffeine figure exists, so this is a species-level statement only, not a measurement of any Kenyan lot.
Where to buy it
Transparency: some links on this site are affiliate links; if you buy through them we may earn a commission at no cost to you. Roasters are picked for genuine, current sourcing of this coffee, never for who pays us.
Lexington, Virginia roaster whose Kenya Nyeri AA (Batian, SL28, SL34, Ruiru 11) earned a 96 from Coffee Review; Kenya lots rotate with the harvest.
View lot→Santa Cruz roaster that has listed a Kirinyaga Kenya lot naming Batian, Ruiru 11 and SL28; availability rotates.
View lot→Wide Kenya selection, but Ruiru 11 is rarely labeled; check roast dates, 100%-origin labeling and seller reviews before buying.
View lot→Sources & data
- Coffee Review: Kenya Nyeri AA, Roadmap CoffeeWorksAugust 2025, rated 96; Batian, SL28, SL34 and Ruiru 11, washed, Nyeri; attribute scores 9/10/9/9/9 (1 of 2 averaged); notes of black currant, sage, cocoa nib, magnolia, magrut lime, maple syrup
- Coffee Review: Kenya Washed Nyeri Hill Factory AA TOP, Kakalove CafeAugust 2026, rated 97; SL34, SL28 and Ruiru 11, washed, Nyeri Hill Estate; scores 9/10/10/9/9 (2 of 2 averaged); notes of black currant, blood orange, cocoa nib, wisteria, cedar
- Coffee Review: scoring methodology1-10 attribute scale definition
- Sucafina: Nyeri Hill Farm AAElevation 1,600 to 2,200 m, cultivars Batian, Ruiru 11, SL28, SL34, fully washed, harvest May to July and October to December
- Sucafina: Think You Know Kenya Coffee Varieties? Think AgainMost Kenyan farms mix Ruiru 11 and SL varieties and most lots are blends; Ruiru 11 must be picked near purple to perform; cup scores correlate more with environment and management than variety
- Trabocca: Kenyan Coffee Varieties overviewRuiru 11 released 1985 by the Coffee Research Foundation, resists CBD and CLR, suitable for all Kenyan altitudes; quality described as slightly inferior to SL28, SL34 and K7
- World Coffee Research: Ruiru 11 variety profileCatimor female parent, very high yield, highly resistant to leaf rust, resistant to coffee berry disease, good quality potential at higher elevations
- Crozier et al.: Espresso coffees, caffeine and chlorogenic acid intake (Food & Function, 2012)Peer-reviewed (Univ. of Glasgow): states robusta coffee beans contain almost twice as much caffeine as arabica, by species (no percentage figures given in this paper)