GreenlyWhen to plant zucchini in Pretoria: from 24 August
In Pretoria, zucchini: sow for seedlings from 13 July; plant into a greenhouse from 3 August; plant out into open ground from 24 August. There is no autumn frost here, so the frost dates set no end to the window.
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Zucchini in Pretoria: soil, season and weather
In Pretoria the soil, not frost, sets the date: the last frost is over around 23 July, but the top 7 cm of soil reaches 18 °C — the minimum on the zucchini card — only around 24 August, 32 days later. Pretoria has no autumn frost in the median year, so frost does not end the season.
| Last spring frost | 23 July |
|---|---|
| Top 7 cm of soil at 18 °C | 24 August, 32 days after the last frost |
| Days in the bed to the first harvest (card) | 36 |
| First harvest, if planted in this window | from 29 September |
| Daylight | 10:57 on 3 August, 11:24 on 24 August |
| Watering outdoors when fruiting (card) | every 3 days; the driest month, August, has 1 rainy day |
The same dates in Pretoria hold for Cucumber, Bell Pepper, Eggplant, Pumpkin and Watermelon.
Zucchini in Pretoria: care after planting
Planted on 24 August: in the first weeks water every 4 days.
Pests and diseases of zucchini to watch for:
Weather in Pretoria during the zucchini season
About 359 mm of rain falls in the season; August is the driest month (3 mm) and December the wettest (112 mm).
| Month | Day, °C | Night, °C | Rain, mm | Rainy days | Daylight on the 15th |
|---|---|---|---|---|---|
| August | 23 | 8.1 | 3 | 1 | 11:12 |
| September | 27 | 11.5 | 13 | 3 | 11:55 |
| October | 27.8 | 13.3 | 44 | 7 | 12:40 |
| November | 27.6 | 14.8 | 87 | 11 | 13:22 |
| December | 27.5 | 16.2 | 112 | 15 | 13:44 |
| January | 27.9 | 16.4 | 100 | 12 | 13:34 |
ERA5 2016–2025, Open-Meteo
Zucchini in nearby cities
All the nearest cities on our list plant zucchini later than Pretoria; the closest date is in Caxias do Sul, 8 days later.
| City | Distance | Date | Difference |
|---|---|---|---|
| Johannesburg | 52 km | 6 September – 18 March | 13 days later |
| Bloemfontein | 423 km | 14 September – 17 March | 21 days later |
| Curitiba | 7,640 km | from 3 September | 10 days later |
| Lages | 7,652 km | 24 September – 6 April | 31 days later |
| Caxias do Sul | 7,683 km | 1 September – 30 March | 8 days later |
| Ponta Grossa | 7,737 km | 4 September – 7 April | 11 days later |
Where to buy zucchini plants and seeds near Pretoria
Buy plants ready to set out from 24 August (from 3 August for an unheated greenhouse); seed for raising your own is sown from 13 July. Within 15 km of Pretoria OpenStreetMap lists 15 garden centres, 6 plant nurseries and 3 markets (collected 20 October 2026).
- Plantland — garden centre
15 km - Plant Nursery — plant nursery
5 km - Cycad Nursery — plant nursery
7 km - SBG-054 : FABI Nursery — plant nursery
7 km
Places: © OpenStreetMap contributors, ODbL.
- How to grow zucchini
- All frost dates and weather of Pretoria
- Shops and markets: Pretoria
- Selling a surplus in South Africa
- Moon planting calendar for November 2026
- How we calculate the dates
Questions
When to plant zucchini in Pretoria?
In Pretoria, zucchini: sow for seedlings from 13 July; plant into a greenhouse from 3 August; plant out into open ground from 24 August. There is no autumn frost here, so the frost dates set no end to the window.
When to sow zucchini for seedlings in Pretoria?
Sow for seedlings from 13 July.
