Divisi
When to plant Lablab in Butula
Busia, Kenya
Known here as njahi · fiwi
Lablab (also called hyacinth bean or dolichos; njahi in Swahili) is one of the toughest beans a smallholder can grow.
| Fit | Favourable |
|---|---|
| When to plant | 21 Jan 2026 – 28 Oct 2026 open now |
| Expected harvest | about 1.9 t/ha |
| Harvest | From 1 May 2026 to 27 Mar 2027, depending on the planting date |
| Ready to harvest | 100–150 days after planting |
| Work it takes | 75–156 days per hectare, by hand |
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 10 Feb 2026. That is the point in the window where the rains are most reliably established.
This season's rainfall outlook for Butula is close to normal, so these dates match the pattern the area usually follows.
Planting after 28 Oct 2026 leaves the crop short of season: it runs into the dry months before it has finished filling.
What decides this in Butula
| Rain and temperature | 96% |
|---|---|
| The soil | 88% |
| The lie of the land | 76% |
For lablab in Butula, the lie of the land is the tightest of the three at 76%. 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 2025 season in Butula
| When the rains are expected | January 2025 to January 2025 |
|---|---|
| Rain in a typical year | About 1,593 mm |
| This season's rain | Rain close to usual — plan around about 1,593 mm falling roughly when it always does |
| This season's heat | Hotter than usual — about +0.8 °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 a long crop, or two in a year, 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 a long crop, or two in a year; warm all year, so nothing but rain ends the season 361 growing days · about 1,550 mm · January to January |
|---|---|
| 12% | enough rain for a long crop, or two in a year; warm all year, so nothing but rain ends the season 359 growing days · about 1,560 mm · January to January |
last updated 30 September 2026
Frost and pest pressure hold back about 15% of yield here.
What lablab needs to grow here
| Soil it likes | well-drained sand, sandy loam, loam, clay loam or clay soil |
|---|---|
| Soil sourness (pH) | Happiest between pH 5.0 and 7.5 |
| Spacing | 75 cm between rows, 30 cm between plants |
| Feed it most with | phosphorus |
What it takes to grow lablab in Butula
| Nitrogen (N) | About 70 kg per hectare — the crop fixes most of this itself; inoculated seed matters more than a bag |
|---|---|
| Phosphate (P₂O₅) | About 17 kg per hectare |
| Potash (K₂O) | About 25 kg per hectare |
| In the shops | A basal compound at planting — Compound D, or an NPK blend — covers the phosphate and potash. Skip the nitrogen top dressing; inoculated seed does that job. |
| Hand work | 75–156 days per hectare, by hand |
These are the nutrients a lablab 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 Lablab with a plan, not a guess
Everything above describes Butula 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.
Lablab in nearby districts
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 lablab grow well in Butula?
Butula rates as favourable for lablab.
When should I plant lablab in Butula?
Typically 21 Jan 2026 to 28 Oct 2026, forecast-adjusted.
Is this exact for my own field?
No — these are readings taken across Butula, not on your field. Soil, slope and rainfall change from one farm to the next. Check your own location to see your own numbers.
