Divisi
When to plant Eggplant in Rosfa
Setif, Algeria
Eggplant (also called aubergine, brinjal or garden egg) is a bushy, warm-season cousin of tomato, potato and pepper — the nightshade family — grown for its glossy fruit: purple, white or green, round or long.
| Fit | Favourable |
|---|---|
| When to plant | 21 May 2027 – 30 May 2027 opens in 33 weeks |
| Expected harvest | about 26.8 t/ha |
| Harvest | From 18 Sep 2027 to 26 Nov 2027, depending on the planting date |
| Ready to harvest | 120–180 days after planting |
| Work it takes | 125–252 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 21 May 2027. That is the point in the window where the rains are most reliably established.
This season's rainfall outlook for Rosfa is close to normal, so these dates match the pattern the area usually follows.
Planting after 30 May 2027 leaves the crop short of season: it runs into the dry months before it has finished filling.
What decides this in Rosfa
| Rain and temperature | 96% |
|---|---|
| The soil | 76% |
| The lie of the land | 45% |
For eggplant in Rosfa, the lie of the land is the tightest of the three at 45%. 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 Rosfa
| Rain in a typical year | About 361 mm |
|---|---|
| This season's rain | Rain close to usual — plan around about 361 mm falling roughly when it always does |
| What that supports | enough rain for one short crop, and only if timed to it, cool for part of the year, so frost sets the planting date |
| Ground this covers | 4 kinds of ground. The season below is the largest that farms — about 64% of this area. |
| 64% | enough rain for one short crop, and only if timed to it; cool for part of the year, so frost sets the planting date 115 growing days · about 370 mm |
|---|---|
| 23% | enough rain for one short crop, and only if timed to it; cool for part of the year, so frost sets the planting date 151 growing days · about 330 mm · October to March |
| 9% | enough rain for one short crop, and only if timed to it; warm, with a cool spell that slows winter growth 128 growing days · about 270 mm |
| 5% | enough rain for one short crop, and only if timed to it; warm, with a cool spell that slows winter growth 135 growing days · about 280 mm |
last updated 18 September 2026
Sloping ground holds back about 45% of yield here.
What eggplant needs to grow here
| Soil it likes | well-drained sandy loam or loam soil |
|---|---|
| Soil sourness (pH) | Happiest between pH 6.0 and 6.8 |
| Spacing | 90 cm between rows, 60 cm between plants |
| Feed it most with | potassium, nitrogen and calcium |
What it takes to grow eggplant in Rosfa
| Planting material | About 20,000 plants per hectare |
|---|---|
| Nitrogen (N) | About 80 kg per hectare |
| Phosphate (P₂O₅) | About 23 kg per hectare |
| Potash (K₂O) | About 134 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 | 125–252 days per hectare, by hand |
These are the nutrients a eggplant 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 Eggplant with a plan, not a guess
Everything above describes Rosfa 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 eggplant grow well in Rosfa?
Rosfa rates as favourable for eggplant.
When should I plant eggplant in Rosfa?
Typically 21 May 2027 to 30 May 2027, forecast-adjusted.
Is this exact for my own field?
No — these are readings taken across Rosfa, not on your field. Soil, slope and rainfall change from one farm to the next. Check your own location to see your own numbers.
