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What grows in Black River

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Map showing the boundary of Black River

The 2025 season in Black River

When the rains are expectedOctober 2025 to October 2025
Rain in a typical yearAbout 1,466 mm
This season's rainRain close to usual — plan around about 1,466 mm falling roughly when it always does
This season's heatHotter 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 supportsenough rain for a long crop, or two in a year, 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 55% of this area.
55% enough rain for a long crop, or two in a year; warm all year, so nothing but rain ends the season 363 growing days · about 1,500 mm · October to October
45% 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 1,450 mm · October to October

last updated 17 September 2026

What grows here

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.

Plan the season, not just check it

The crops above are gathered from every district in Black River, and the ground under them is not all the same. 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

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

What crops grow well in Black River?

Cassava, Taro, Ginger, Grapefruit, Pineapple all rate well in Black River — scored against its own rainfall, soil and terrain rather than a national average.

When should I plant Cassava in Black River?

In Black River the window for Cassava runs 10 Feb 2026 to 17 Nov 2026.

Is there a farming app that works in Black River?

Divisi does. It reads Black River'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 Black River, 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

A district's answer is one question. What to grow, what attacks it and where to sell it are the others.

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