What grows in Rijau

Niger, Nigeria

Save as PDF

Map showing the boundary of Rijau

The 2027 season in Rijau

Rainy seasonsOne each year — one chance to plant, so timing carries it
When the rains are expectedMay 2027 to October 2027
Rain in a typical yearAbout 918 mm
This season's rainRain close to usual — plan around about 918 mm falling roughly when it always does
This season's heatHotter than usual — about +0.9 °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 supportsenough rain for one short crop, and only if timed to it, warm all year, so nothing but rain ends the season
Ground this covers2 kinds of ground. The season below is the largest that farms — about 79% of this area.
Agro-ecological zones covering this area
79% enough rain for one short crop, and only if timed to it; warm all year, so nothing but rain ends the season 167 growing days · about 930 mm · May to October
21% enough rain for one full main crop; warm all year, so nothing but rain ends the season 201 growing days · about 990 mm · May to November

last updated 16 September 2026

What grows in Rijau

79% lowland, semi-arid, warm — 45 crops

21% lowland, sub-humid, warm — 46 crops

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.

What grows in Rijau with irrigation

These need water applied — rain alone will not carry them here. The dates are the windows their own water supply allows.

What Divisi would not plant in Rijau

Every crop in the catalogue is scored against this district, not only the ones that work — so the list above is a decision rather than a shortlist. These are the rest, with what ruled each one out.

  • Grapefruit Only in patches — clears in part of this area, not across any one zone
  • Pineapple Moderate — Water
  • Sweet orange Moderate — Water
  • Sugarcane Moderate — Water
  • Avocado Unsuitable — Temperature
  • Banana Unsuitable — Water
  • Beetroot Unsuitable — Temperature
  • Cabbage Unsuitable — Temperature
  • Chickpea Unsuitable — Temperature
  • Cocoa Unsuitable — Water
  • Coconut Unsuitable
  • Taro Unsuitable — Water
  • Arabica coffee Unsuitable
  • Robusta coffee Unsuitable — Water
  • Enset Unsuitable
  • Garlic Unsuitable — Temperature
  • Ginger Unsuitable
  • Irish potato Unsuitable
  • Lemon Unsuitable — Temperature
  • Niger seed Unsuitable — Temperature
  • Oil palm Unsuitable — Water
  • Passion fruit Unsuitable — Temperature
  • Sweet pepper Unsuitable — Temperature
  • Sweet potato Unsuitable — Temperature
  • Swiss chard Unsuitable — Temperature
  • Tea Unsuitable
  • Teff Unsuitable — Temperature
  • Wheat Unsuitable — Temperature

Divisi scored 74 crops against this district's own ground; 28 came back without a sowing date.

Plan the season, not just check it

The crops and dates above are read at cells spread across Rijau, and the map colours which kind of ground each part of it is. 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.

Or check your field first

What changed in Rijau

  • 31 August 2026 Fonio — Planting window moved, now opens 10 Jul 2027
  • 31 August 2026 Rice — Planting window moved, now opens 14 Jun 2027
  • 31 August 2026 African Nightshade — Planting window moved, now opens 1 Jun 2027
  • 31 August 2026 Watermelon — Planting window moved, now opens 1 Jun 2027
  • 31 August 2026 Jute Mallow — Planting window moved, now opens 1 Jun 2027

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.

Where to sell it nearby

Support and extension

Frequently asked questions

What crops grow well in Rijau?

African eggplant, African nightshade, Amaranth, Bambara groundnut, Carrot all rate well in Rijau — scored against its own rainfall, soil and terrain rather than a national average.

When should I plant African eggplant in Rijau?

In Rijau the window for African eggplant runs 29 May 2027 to 7 Aug 2027.

Is there a farming app that works in Rijau?

Divisi does. It reads Rijau's own rainfall, soil and terrain rather than a national average, so the planting dates and crop shortlist on this page are the same ones the app works out for a field here — then dates each job for that field, and keeps working with no signal.

Is this exact for my own field?

No — these are readings taken across Rijau, not on your field. Soil, slope and rainfall change from one farm to the next. Check your own location to see your own numbers.

Keep going

The district's answer is one question. What each crop needs, what attacks it and where to sell it are the others.