GreenlyWhen to plant zucchini in Mons: 10 June – 2 September
In Mons, zucchini: sow for seedlings from 29 April to 12 August; plant into a greenhouse from 20 May to 2 September; plant out into open ground from 10 June to 2 September. For plants and seeds, the places nearby include Ferme Legat (farm shop, 12 km); addresses and opening hours are below.
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Zucchini in Mons: soil, season and weather
In Mons the soil, not frost, sets the date: the last frost is over around 10 April, but the top 7 cm of soil reaches 18 °C — the minimum on the zucchini card — only around 10 June, 61 days later.
| Last spring frost | 10 April |
|---|---|
| Top 7 cm of soil at 18 °C | 10 June, 61 days after the last frost |
| First autumn frost | 19 November, 162 days after the start |
| Days in the bed to the first harvest (card) | 36 |
| First harvest, if planted in this window | 16 July – 8 October |
| Days left for picking | 126 |
| Daylight | 15:41 on 20 May, 16:21 on 10 June |
| Watering outdoors when fruiting (card) | every 3 days; the driest month, August, has 12 rainy days |
The same dates in Mons hold for Cucumber, Bell Pepper, Eggplant, Pumpkin and Watermelon.
Zucchini in Mons: care after planting
Planted on 10 June: in the first weeks water every 4 days.
Pests and diseases of zucchini to watch for:
Weather in Mons during the zucchini season
About 417 mm of rain falls in the season; August is the driest month (61 mm) and June the wettest (79 mm).
| Month | Day, °C | Night, °C | Rain, mm | Rainy days | Daylight on the 15th |
|---|---|---|---|---|---|
| June | 22.1 | 12.7 | 79 | 11 | 16:25 |
| July | 23.2 | 13.8 | 67 | 11 | 16:02 |
| August | 23.5 | 14.2 | 61 | 12 | 14:34 |
| September | 20.3 | 11.8 | 66 | 11 | 12:41 |
| October | 15.7 | 9.2 | 75 | 13 | 10:48 |
| November | 10.1 | 4.7 | 69 | 13 | 9:02 |
ERA5 2016–2025, Open-Meteo
Zucchini in nearby cities
Around Mons, Ghent is 10 days earlier and Namur 1 day later.
Where to buy zucchini plants and seeds near Mons
Buy plants ready to set out from 10 June to 2 September (from 20 May to 2 September for an unheated greenhouse); seed for raising your own is sown from 29 April to 12 August. Within 15 km of Mons OpenStreetMap lists 21 garden centres, 1 farm-supply shop, 2 plant nurseries, 8 markets and 15 farm shops (collected 27 October 2026).
- Vieux-Marché — market
Sun 08:00–14:00 · 0 km - Marché aux fleurs — market
Fri 08:00–14:00 · 1 km - Marché de Ghlin — market
Sat 08:00–13:00 · 4 km - Ferme Legat — farm shop
Rue de Binche 33, 7120 Estinnes · Fri 14:00–18:30, Sat 09:00–18:30, Sun 09:00–12:00 · 12 km · fermelegat.be
Places: © OpenStreetMap contributors, ODbL.
Each window starts on the Greenly calendar date and ends on the last day that still leaves the crop’s days to harvest (from its card) before the average first autumn frost, plus six weeks of picking for crops harvested over weeks (tomatoes, peppers, aubergines, cucumbers, courgettes, pumpkins, watermelons, beans) — our rule; earlier in the window is safer.
- How to grow zucchini
- All frost dates and weather of Mons
- Shops and markets: Mons
- Selling a surplus in Belgium
- Mons: #392 of 801 by frost-free season
- Moon planting calendar for November 2026
- How we calculate the dates
Questions
When to plant zucchini in Mons?
In Mons, zucchini: sow for seedlings from 29 April to 12 August; plant into a greenhouse from 20 May to 2 September; plant out into open ground from 10 June to 2 September.
When to sow zucchini for seedlings in Mons?
Sow for seedlings from 29 April to 12 August.
When is the last spring frost in Mons?
Last spring frost around 10 April, first autumn frost around 19 November.
