Divisi
When to plant Robusta coffee in Pibor
Jonglei, South Sudan
Robusta (Coffea canephora) is a hardy evergreen coffee tree of the warm lowlands — bigger, tougher and higher-yielding than highland Arabica, and far better at shrugging off leaf rust.
| Measure | Rain-fed | With irrigation |
|---|---|---|
| Fit | Favourable | |
| When to plant (establish) | 5 Mar 2027 – 4 Apr 2027 opens in 22 weeks | 1 Jan 2027 – 31 Mar 2027 |
| Expected harvest | about 1.4 t/ha | same |
| Bearing cycle | 270–330 days per crop once the plant is established. Planting to the first harvest takes longer than one cycle. | |
| Work it takes | 122–255 days per hectare, by hand | |
| Rain meets its needs | 82% | |
Rain-fed. These dates are worked out from each place's own rainfall, for a field watered by the season — with irrigation a window can open earlier, close later, or come round more than once a year. Check your own field under What grows, or get the Divisi app for a calendar dated to your farm.
If you only get one chance to plant, aim for around 25 Mar 2027. That is the point in the window where the rains are most reliably established.
This season's rainfall outlook for Pibor is close to normal, so these dates match the pattern the area usually follows.
Planting after 4 Apr 2027 leaves the crop short of season: it runs into the dry months before it has finished filling.
What decides this in Pibor
| Rain and temperature | 96% |
|---|---|
| The soil | 96% |
| The lie of the land | 88% |
For robusta coffee in Pibor, the lie of the land is the tightest of the three at 88%. You cannot flatten it, but you can farm it: plant along the contour rather than up and down, ridge or tie ridges to hold water on the slope, and expect shallower rooting than the crop would manage on flat ground.
The 2026 season in Pibor
| Rainy seasons | One each year — one chance to plant, so timing carries it |
|---|---|
| When the rains are expected | April 2026 to November 2026 |
| Rain in a typical year | About 742 mm |
| This season's rain | Rain close to usual — plan around about 742 mm falling roughly when it always does |
| This season's heat | Hotter than usual — about +1.6 °C over the growing months. Heat makes the same rain do less, so a dry spell bites sooner: do not plant late, and shade or mulch what you can. |
| What that supports | enough rain for one full main crop, warm all year, so nothing but rain ends the season |
| Ground this covers | 2 kinds of ground. The season below is the largest that farms — about 88% of this area. |
| 88% | enough rain for one full main crop; warm all year, so nothing but rain ends the season 209 growing days · about 750 mm · April to November |
|---|---|
| 12% | enough rain for a long crop, or two in a year; warm all year, so nothing but rain ends the season 280 growing days · about 1,110 mm · March to December |
last updated 16 September 2026
Limited water holds back about 30% of yield here.
What robusta coffee needs to grow here
| Soil it likes | sandy loam, loam or clay loam |
|---|---|
| Soil sourness (pH) | Happiest between pH 5.0 and 6.5 |
| Spacing | 275 cm between rows, 275 cm between plants |
| Feed it most with | potassium |
What it takes to grow robusta coffee in Pibor
| Planting material | About 1,350 plants per hectare |
|---|---|
| Nitrogen (N) | About 49 kg per hectare |
| Phosphate (P₂O₅) | About 10 kg per hectare |
| Potash (K₂O) | About 55 kg per hectare |
| In the shops | A basal compound at planting — Compound D, or an NPK blend — covers the phosphate and potash. A nitrogen top dressing — urea or AN — goes on once the crop is established. |
| Hand work | 122–255 days per hectare, by hand |
These are the nutrients a robusta coffee crop of that size carries off the field. What you actually apply depends on what your soil already holds — which is what a soil test, or the app's field records, tell you.
What to watch for
Grow Robusta coffee with a plan, not a guess
Everything above describes Pibor as a whole — your own soil, slope and rainfall will shift the dates. The Divisi app works them out for your field, and dates each job that follows.
This calendar moves
Planting windows shift with the forecast. Leave your email and we'll send what changed, and a note when planting time nears — a couple of emails a month at most.
Frequently asked questions
Will robusta coffee grow well in Pibor?
Pibor rates as favourable for robusta coffee.
When should I plant robusta coffee in Pibor?
Typically 5 Mar 2027 to 4 Apr 2027, forecast-adjusted.
Is this exact for my own field?
No — these are readings taken across Pibor, not on your field. Soil, slope and rainfall change from one farm to the next. Check your own location to see your own numbers.
