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Jber Coffee LimitedGreen Coffee · Origin Supply

Uganda · Species

Uganda Robusta

Robusta is indigenous to this basin. Uganda did not adopt it as an Arabica substitute — it sits inside the species’ natural range, and the sector is built around that.
Species
Robusta
Preparation
Natural (Robusta) · Washed Arabica (WUGAR)
Harvest
Robusta main crop November–February with a fly crop April–July; Elgon Arabica October–February

Quick answer

Ugandan Robusta is dry-processed coffee from the Lake Victoria basin, graded purely by screen — 18, 17, 15, 14 and 12 — plus unsized FAQ parcels. Two harvest cycles keep it available for most of the year, which is why it anchors so many commercial blends and soluble programmes.

Contract on: region · grade · screen · process · crop · moisture · defect tolerance · cup approval.

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The growing areas

  • Masaka and the greater lake shore — the core belt, 1,100–1,400 m, supplying most screen-graded export volume.
  • Central Uganda and Luwero — significant production feeding the same channels.
  • Western lakeshore areas — where the fly crop is most pronounced.
  • Remnant forest populations — wild and semi-wild *Coffea canephora* persists in the region, a reminder of where the species comes from.

Two cycles

Ugandan Robusta harvest cycles
CycleFloweringHarvestExport window
Main cropFebruary–AprilNovember–FebruaryDecember–June
Fly cropAugust–OctoberApril–JulyMay–October
Timing varies by area. See the Uganda crop calendar for the regional breakdown.

The practical consequence is continuity of supply. A commercial blend that depends on Ugandan Robusta is rarely forced to bridge a gap, which is worth a good deal in a programme.

Screen grades

The grades
GradeScreenmmWhere it fits
Screen 1818/64"7.14Premium size class; bean uniformity for the roast or a visual match
Screen 1717/64"6.75Intermediate; useful when 18 is scarce
Screen 1515/64"5.95The volume workhorse
Screen 1414/64"5.56Price-led blending and extraction
Screen 1212/64"4.76Smallest commercial size; mostly soluble
FAQUnsizedSold on defect and moisture terms; specify everything explicitly

Contracting

The screen constrains size and nothing else

A screen specification says nothing about defects, moisture or foreign matter. Ugandan Robusta contracts live or die on those three clauses, and FAQ parcels need them most of all because there is no screen at work either.

Screen
Retention screen plus permitted percentage passing
Defects
Maximum total, with black and broken capped separately
Moisture
Ceiling plus method — commonly around 12–13%
Foreign matter
Maximum, stones counted separately
Crop year and cycle
Explicit — main crop or fly crop
Packaging
60 kg jute, or bulk liner for volume
Certification
4C is common on commercial Robusta
Routing
Mombasa or Dar es Salaam — affects transit and documentation

What good Robusta tastes like

Robusta’s reputation is largely a processing artefact. The species carries more chlorogenic acid and caffeine than Arabica, which contributes bitterness and body — but a carefully picked, properly dried, well-sorted Robusta is clean, sweet and heavy-bodied, without the rubber and burnt character associated with careless preparation.

The buying implication: Robusta rewards supplier selection and specification discipline more than most Arabica, because the range between careless and careful is so wide.

Robusta programme enquiries

Tell us the annual volume, screen and shipment pattern. Robusta is normally contracted as a programme.

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Last reviewed 2 min read

Growing regions

Uganda growing regions

Altitude and harvest timing are the two variables a sourcing decision turns on. Where two regions overlap they compete for the same milling and shipping slot; where they do not, a programme can be scheduled across them.

All Uganda coffee
Region · altitude
J
F
M
A
M
J
J
A
S
O
N
D
  • Masaka & Greater Lake Victoria1,1001,400 m
Harvest windows and altitude bands for each growing area, drawn from the same figures shown in the region panels. Windows are typical and move with rainfall — where two regions overlap they compete for the same milling and shipping slot, and where they do not, a programme can be scheduled across them.
  • Masaka & Greater Lake Victoria
    Altitude
    1,100–1,400 m
    Harvest
    November–February with a fly crop April–July
    Processing
    Natural
    Species
    Robusta
    Core Robusta belt on the lake’s north-western shore. Supplies most of the screen-graded Ugandan Robusta traded internationally.

Availability

Current Uganda Robusta

Availability moves with the harvest, with milling and with prior commitments. Everything here is confirmed against the current crop on enquiry.

All current availability
Available

Uganda · Masaka & Greater Lake Victoria

Species
Robusta
Process
Natural
Grade
Screen 15
Screen
15+
Crop
2025/26
Quantity
Multi-container programme
Available

Uganda · Masaka & Greater Lake Victoria

Species
Robusta
Process
Natural
Grade
Screen 18
Screen
18+
Crop
2025/26
Quantity
3 × 20ft

Crop

Uganda crop calendar

Flowering, harvest, processing, milling and the export window. Regional cycles differ, so this is not one universal season.

Full crop calendar

Robusta — central, south and Masaka (main crop)

Crop year commonly quoted October–September

Stage
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Flowering
Cherry development
Harvest
Processing & drying
Dry milling & grading
Main export window
  • Flowering: Feb–Apr
  • Cherry development: Apr–Oct
  • Harvest: Nov–Feb
  • Processing & drying: Nov–Mar
  • Dry milling & grading: Dec–Apr
  • Main export window: Dec–Jun

The main Robusta crop supplies the bulk of Ugandan export volume.

Robusta — fly crop (western and lakeshore)

Crop year commonly quoted October–September

Stage
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Flowering
Cherry development
Harvest
Processing & drying
Dry milling & grading
Main export window
  • Flowering: Aug–Oct
  • Cherry development: Oct–Mar
  • Harvest: Apr–Jul
  • Processing & drying: Apr–Aug
  • Dry milling & grading: May–Sep
  • Main export window: May–Oct

The second, smaller cycle keeps Ugandan Robusta available for most of the year.

Arabica — Mount Elgon (Bugisu)

Crop year commonly quoted October–September

Stage
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Flowering
Cherry development
Harvest
Processing & drying
Dry milling & grading
Main export window
  • Flowering: Feb–Apr
  • Cherry development: Apr–Sep
  • Harvest: Oct–Feb
  • Processing & drying: Oct–Mar
  • Dry milling & grading: Nov–Apr
  • Main export window: Dec–Jul

Arabica — West Nile (Okoro) and Kigezi

Crop year commonly quoted October–September

Stage
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Flowering
Cherry development
Harvest
Processing & drying
Dry milling & grading
Main export window
  • Flowering: Jan–Mar
  • Cherry development: Mar–Jul
  • Harvest: Aug–Nov
  • Processing & drying: Aug–Dec
  • Dry milling & grading: Oct–Feb
  • Main export window: Oct–Apr

West Nile picks earlier than Elgon, which is what makes DRUGAR available ahead of the washed Elgon crop.

Export

Packing and export

Ports of loading
Mombasa (Northern Corridor), Dar es Salaam (Central Corridor)
Bag standard
60 kg jute; Robusta also moves in bulk-lined containers
Export window
Year-round, with the heaviest Robusta shipments December–April
Incoterms
FOB · CFR · CIF
Filled jute sacks stacked in courses, each hand-stitched closed along the mouth, the weave and the seam running the width of the frame.
Filled and hand-stitched export sacks, stacked in courses.Photo: ideadad

Compare

Against the other East African origins

Grade designations do not translate between origins, and harvest windows barely overlap. This is how the region compares at a glance.

All origins
East African origins compared
OriginSpeciesMain preparationRepresentative gradesHarvestPorts
TanzaniaArabica · RobustaFully washed · NaturalAA · A · AB · BJune–October in the south; July–December in the northDar es Salaam · Tanga
KenyaArabicaFully washed with soak · Mbuni (natural)E · AA · AB · PBMain crop October–December; early (fly) crop May–JulyMombasa
EthiopiaArabicaFully washed · Natural (sun-dried)Grade 1 · Grade 2 · Grade 3 · Grade 4October–January, varying by region and altitudeDjibouti (primary transit port)
RwandaArabicaFully washed · Natural (growing)Grade 1 (fully washed) · Grade 2 · Screen 15+ · Screen 16+March–July, with the peak in April and MayMombasa (Northern Corridor) · Dar es Salaam (Central Corridor)
BurundiArabicaFully washed with soak · Natural (limited)Grade A · Grade B · Screen 15+ · Screen 16+March–JulyDar es Salaam (Central Corridor) · Mombasa (Northern Corridor)
Harvest windows are typical for the origin as a whole and shift by region and with rainfall. Grade designations do not translate between origins — see the grade comparison.

Questions

Frequently asked questions

Why is Uganda a major Robusta origin?
Because *Coffea canephora* is indigenous to the Lake Victoria basin. Uganda sits inside the species’ natural range, and the sector developed around that rather than around a substitution for Arabica.
What screen should I buy for a commercial blend?
Screen 15 for volume and value; screen 18 where bean uniformity matters to the roast or where the component must visually match the Arabica alongside it.
Is Ugandan Robusta available all year?
Effectively yes. The main crop runs roughly November to February and the fly crop April to July, which together keep supply available for most of the year.
What moisture should Ugandan Robusta be contracted at?
Commonly around 12–13%, with the ceiling and the measurement method both stated. The method matters as much as the number.

Request an offer

Tell us the Uganda coffee you need

Region, process, grade, screen, moisture, defect tolerance, crop year, packaging and destination. Send what you know and we will confirm what Uganda realistically supports for the current crop.