Divisi
When to plant Sweet potato in City of Tshwane
Gauteng, South Africa
Known here as ubhatata · patat
Sweet potato is a trailing vine you grow from vine cuttings (slips), not from seed and not by planting the root.
| Measure | Rain-fed | With irrigation |
|---|---|---|
| Fit | Favourable | |
| When to plant | 28 Oct 2026 – 17 Dec 2026 opens in 4 weeks | 9 Aug 2027 – 29 Aug 2027 |
| Expected harvest | 15.0–18.7 t/ha | about 35.0 t/ha |
| Harvest | From 26 Jan 2027 to 16 May 2027, depending on the planting date | |
| Ready to harvest | 90–150 days after planting | |
| Work it takes | 70–148 days per hectare, by hand | |
| Rain meets its needs | 60% | |
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 7 Dec 2026. That is the point in the window where the rains are most reliably established.
No seasonal forecast reaches City of Tshwane yet, so these dates follow the rains it usually gets rather than this year's.
Planting after 17 Dec 2026 leaves the crop short of season: it runs into the dry months before it has finished filling.
What decides this in City of Tshwane
| Rain and temperature | 96% |
|---|---|
| The soil | 96% |
| The lie of the land | 88% |
For sweet potato in City of Tshwane, 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 2026/27 season in City of Tshwane
| Rainy seasons | One each year — one chance to plant, so timing carries it |
|---|---|
| When the rains are expected | October 2026 to April 2027 |
| Rain in a typical year | About 622 mm |
| This season's rain | Leaning dry — January, February, November and December look short of rain. Plant at the early end of the window, favour quicker and more drought-tolerant crops, and keep moisture in the soil: mulch, and weed early. |
| This season's heat | Hotter than usual — about +1.9 °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 supports | enough rain for one full main crop, warm, with a cool spell that slows winter growth |
| Ground this covers | 3 kinds of ground. The season below is the largest that farms — about 55% of this area. |
| 55% | enough rain for one full main crop; warm, with a cool spell that slows winter growth 189 growing days · about 650 mm · October to April |
|---|---|
| 30% | enough rain for one short crop, and only if timed to it; warm, with a cool spell that slows winter growth 170 growing days · about 580 mm · October to April |
| 14% | enough rain for one full main crop; warm, with a cool spell that slows winter growth 193 growing days · about 660 mm · October to April |
last updated 17 September 2026
What sweet potato needs to grow here
| Soil it likes | well-drained sandy, sandy loam or loam soil |
|---|---|
| Soil sourness (pH) | Happiest between pH 5.0 and 6.5 |
| Rain it needs | About 750–1,000 mm across the season |
| Spacing | 100 cm between rows, 30 cm between plants |
| Feed it most with | potassium and nitrogen |
What it takes to grow sweet potato in City of Tshwane
| Planting material | About 33,000 plants per hectare |
|---|---|
| Nitrogen (N) | About 60 kg per hectare |
| Phosphate (P₂O₅) | About 22 kg per hectare |
| Potash (K₂O) | About 120 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 | 70–148 days per hectare, by hand |
These are the nutrients a sweet potato 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 Sweet potato with a plan, not a guess
Everything above describes City of Tshwane 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.
Sweet potato 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 sweet potato grow well in City of Tshwane?
City of Tshwane rates as favourable for sweet potato.
When should I plant sweet potato in City of Tshwane?
Typically 28 Oct 2026 to 17 Dec 2026, typical season.
Is this exact for my own field?
No — these are readings taken across City of Tshwane, not on your field. Soil, slope and rainfall change from one farm to the next. Check your own location to see your own numbers.
