The Kenya coffee harvest season gives international buyers two important sourcing windows: the larger main or late crop and the smaller fly or early crop. Understanding when coffee is flowering, being picked, processed, milled, sampled and offered helps importers and roasters plan approvals before the required shipment window.
Harvest dates are not fixed promises. Altitude, rainfall, county, variety, farm management, processing capacity and the condition of each lot can move the calendar. Buyers should therefore use the periods below for procurement planning, then confirm the current position of a specific lot with the exporter. If you are still assessing suppliers, begin with our Kenya coffee exporters buyer guide.
Kenya coffee harvest season at a glance
Kenya generally has two coffee crops. The Agriculture and Food Authority (AFA) describes the fly or early crop and the main or late crop as separate flowering and harvesting cycles. AFA’s Coffee Year Book 2021/22 records an indicative fly-crop harvest from May to July and a main-crop harvest from September to December. The International Coffee Organization identifies Kenya’s statistical coffee crop year as October to September.
| Planning stage | Fly or early crop | Main or late crop | Buyer action |
|---|---|---|---|
| Indicative flowering | September–October | February–March | Monitor weather and crop-development updates. |
| Indicative harvest | May–July | September–December | Share grade, cup-profile, volume and shipment requirements early. |
| Processing and milling | After harvest, depending on lot readiness | After harvest, depending on lot readiness | Confirm when representative samples can be prepared. |
| Commercial approval | When an identifiable lot and sample are available | When an identifiable lot and sample are available | Cup, approve and contract against the same lot reference. |
These ranges are a national planning guide, not a guarantee for every farm or county. A buyer should ask for the crop reference, origin, harvest timing, processing status, warehouse position and expected sample date for the coffee actually being offered.
What is Kenya’s main coffee crop?
The main crop—also called the late crop—is normally the larger of Kenya’s two production cycles. AFA’s indicative national calendar places main-crop flowering around February and March and harvesting around September to December. Cherries do not become export-ready green coffee immediately after picking: wet processing, parchment drying, conditioning, dry milling, grading, quality control and sample preparation must still take place.
For buyers, the useful question is not simply, “Has the harvest started?” It is, “When will a representative sample from an identifiable export lot be ready?” A shipment cannot be approved responsibly from a generic description of the season. The buyer needs a lot-specific sample and written specification.
Why buyers watch the main crop
- It can provide a wider selection of lots, grades and origins than the smaller crop.
- It is an important window for planning annual or repeat green-coffee programmes.
- Early communication helps an exporter match the buyer’s sensory and physical requirements to suitable lots.
- Sample approval, milling, packaging and shipping still require realistic lead time after harvest.
Buyers comparing AA, AB, PB and other preparations should use our Kenyan coffee grades and specifications guide. Grade mainly describes physical preparation; it does not guarantee a particular cup profile.
What is Kenya’s fly coffee crop?
The fly crop—also called the early crop—is Kenya’s second production cycle. AFA’s indicative calendar places its flowering around September and October and harvesting around May to July. The size and commercial importance of the fly crop can vary from season to season and by growing area.
A buyer should not treat “fly crop” as a quality grade. Quality depends on the origin, variety, cherry selection, processing, drying, storage, milling and preparation of the individual lot. The correct approach is to evaluate the sample and specification in the same way as any main-crop offer.
When the fly crop may suit a buyer
- A roaster wants to assess a lot outside the main-crop buying window.
- An importer is planning continuity between larger seasonal purchases.
- A buyer has a clearly defined grade, profile and volume that matches available supply.
- The approved lot, preparation and shipment timing fit the programme.
Availability must always be confirmed. Afrisun does not assume that every origin, grade or profile is available merely because an indicative harvest period has begun.
Why harvest timing varies across Kenya
Kenyan coffee is grown across multiple counties and elevations. AFA’s industry statistics include important producing areas such as Kiambu, Kirinyaga, Nyeri, Murang’a, Kericho and Bungoma, while production also extends into other central, eastern, western and Rift Valley areas. Rainfall patterns and temperature do not move identically across these regions.
Even within one county, a high-elevation farm and a lower site can reach flowering and cherry maturity at different times. Local rainfall, irrigation where used, variety, pruning, nutrition, shade and farm practices can also affect crop development. Processing and warehouse schedules then determine when an export sample is actually ready.
For that reason, calendar claims should be presented as ranges. Ask the exporter to distinguish between:
- an expected crop window based on regional history;
- coffee currently being harvested or processed;
- parchment awaiting dry milling;
- clean coffee with a confirmed lot reference;
- a sample available for buyer evaluation; and
- a contracted lot ready for packing and export planning.
From coffee cherry to an export offer
The Kenya coffee harvest season is only the beginning of the commercial process. A professional buyer calendar should allow for each control point between the farm and the export shipment.
- Selective harvesting: ripe cherries are picked and linked to the relevant producer, factory or estate records.
- Primary processing: coffee is pulped, fermented and washed for the common washed process, then dried as parchment under controlled handling.
- Conditioning and storage: dried parchment may rest before milling, with moisture and storage conditions monitored.
- Dry milling: parchment is hulled and the green coffee is cleaned, sorted and graded.
- Lot formation: the exporter or supply-chain partners identify a commercial lot with traceable references and available quantity.
- Sample preparation: a representative sample is prepared for physical examination and cupping.
- Buyer approval: the buyer records the sample reference, protocol, results and acceptance decision.
- Contract and shipment: parties agree the specification, price basis, Incoterm, packaging, documents and shipment window.
Use our green coffee sample approval checklist to keep the sample, cupping result and final contract connected to the same lot.
Month-by-month buyer planning calendar
| Period | Indicative supply-chain activity | Recommended buyer action |
|---|---|---|
| January–February | Main-crop coffees may be moving through milling, sampling, marketing and shipment preparation. | Review offers, cup representative samples and confirm contracts for suitable lots. |
| March–April | Main-crop commercial activity may continue while the next cycle develops in producing areas. | Review programme performance, stock coverage and requirements for later shipments. |
| May–July | Indicative fly-crop harvesting period in the national AFA calendar. | Send buying briefs early and ask when lot-specific samples are expected. |
| August | Fly-crop processing and preparation may continue; main-crop readiness is monitored. | Confirm sample, milling and shipment timelines rather than assuming immediate availability. |
| September–October | Indicative main-crop harvest begins; Kenya’s ICO statistical crop year starts in October. | Update volume forecasts, specifications, packaging and destination requirements. |
| November–December | Main harvesting and processing can be active; some lots begin progressing towards commercial preparation. | Arrange sample evaluation capacity and agree the communication milestones for each offer. |
The table is deliberately operational rather than predictive. Weather and lot preparation can shift actual availability, and an exporter should confirm the current status in writing.
Build the buying brief before samples arrive
Buyers move faster when their requirements are ready before the preferred crop is offered. A complete green-coffee brief can include:
- destination country and port;
- intended use, such as espresso, filter, single origin or blend component;
- preferred origin or willingness to compare suitable regions;
- grade or screen preparation;
- washed, natural or another verified processing requirement;
- target cup profile and evaluation method;
- physical specification, moisture method and defect tolerance;
- required quantity and repeat-order expectation;
- bag, liner, markings and net-weight requirements;
- shipment window and preferred Incoterm; and
- destination documents, certifications or tests that must be verified.
Our Kenyan coffee exporter due-diligence checklist explains how to assess the supplier, while the guide to importing coffee from Kenya covers documents, costs and shipping planning.
Do not confuse harvest with immediate shipment
Freshly picked cherry is several stages away from an export container. The exporter must confirm that the lot has completed the required processing, grading and quality checks and that the buyer has approved the relevant sample. Packaging materials, inland transport, export documentation, carrier space and destination requirements also affect the shipping date.
A buyer should request a milestone schedule containing the expected sample date, approval deadline, contract date, milling or preparation completion, packing date, document cut-off, planned departure and estimated arrival. Each date should be identified as confirmed or estimated.
Questions to ask about a seasonal coffee offer
- Is this coffee from the main crop or fly crop?
- What is the crop year, harvest period and origin?
- Is the sample tied to a specific lot or only indicative?
- What quantity is available from that exact lot?
- Which grade, process and physical preparation are confirmed?
- When was the coffee milled, and how is it stored?
- What sample approval procedure and validity period apply?
- What packaging, shipment window and Incoterm are proposed?
- Which export and destination documents are included?
- What could change the planned dispatch date?
Frequently asked questions
When is the main Kenya coffee harvest season?
AFA’s indicative national calendar places the main or late harvest around September to December. Actual timing varies by region, altitude, rainfall, farm and lot. Buyers should confirm the current harvest and processing status with the exporter.
When is Kenya’s fly crop harvested?
AFA’s indicative calendar places fly or early crop harvesting around May to July. Availability, volume and sample timing still depend on the specific origin and lot.
Does harvest month determine coffee quality?
No. Harvest timing is one part of the lot history. Quality must be assessed through traceability, physical checks, processing information and representative-sample cupping.
When should an importer contact a Kenyan coffee exporter?
Contact the exporter before the preferred buying window. Share the destination, grade, profile, volume, packaging and shipment requirements so suitable lots can be reviewed when available.
Is Kenya’s crop year the same as a shipment date?
No. The ICO identifies Kenya’s statistical crop year as October to September, but individual lots can be harvested, processed, sold and shipped at different times within or after that reporting period.
Plan Kenyan green coffee supply with Afrisun Orchards
Afrisun Orchards supports professional buyers with requirement review, suitable sourcing options, sample coordination, quality approval, packaging and export planning. Every offer remains subject to the confirmed crop, lot, grade, quality, quantity and commercial terms.
Send your company name, destination, preferred grade or cup profile, volume, packaging and delivery window through our green coffee buyer enquiry page. For market context, also review our 2026/27 Kenyan Arabica buyer outlook.
Sources and planning note
- Agriculture and Food Authority: Coffee Year Book 2021/22 — indicative flowering and harvesting periods.
- Agriculture and Food Authority: Coffee Year Book 2023/24 — recent industry structure, production, quality and market information.
- International Coffee Organization: Rules on Statistics — Kenya’s October–September crop-year convention.
This guide provides general commercial planning information. Harvests, regulations, transport schedules and available lots can change. Verify current details with the relevant authorities, exporter, laboratory, customs broker and logistics providers before contracting or shipping.