When to plant zucchini in Esch-sur-Alzette: 15 June – 1 September

In Esch-sur-Alzette, zucchini: sow for seedlings from 4 May to 11 August; plant into a greenhouse from 25 May to 1 September; plant out into open ground from 15 June to 1 September.

Zucchini in Esch-sur-Alzette: soil, season and weather

In Esch-sur-Alzette the soil, not frost, sets the date: the last frost is over around 16 April, but the top 7 cm of soil reaches 18 °C — the minimum on the zucchini card — only around 15 June, 60 days later.

Last spring frost	16 April
Top 7 cm of soil at 18 °C	15 June, 60 days after the last frost
First autumn frost	18 November, 156 days after the start
Days in the bed to the first harvest (card)	36
First harvest, if planted in this window	21 July – 7 October
Days left for picking	120
Daylight	15:45 on 25 May, 16:15 on 15 June
Watering outdoors when fruiting (card)	every 3 days; the driest month, August, has 11 rainy days

The same dates in Esch-sur-Alzette hold for Cucumber, Bell Pepper, Eggplant, Pumpkin and Watermelon.

Zucchini in Esch-sur-Alzette: care after planting

Planted on 15 June: in the first weeks water every 4 days.

Pests and diseases of zucchini to watch for:

Weather in Esch-sur-Alzette during the zucchini season

About 439 mm of rain falls in the season; August is the driest month (60 mm) and October the wettest (86 mm).

Month	Day, °C	Night, °C	Rain, mm	Rainy days	Daylight on the 15th
June	22.2	12.6	71	11	16:15
July	23.2	13.6	67	11	15:53
August	23.5	14	60	11	14:28
September	19.6	10.7	78	11	12:40
October	14.6	7.6	86	13	10:51
November	8.4	3.1	77	13	9:08

ERA5 2016–2025, Open-Meteo

Zucchini in nearby cities

All the nearest cities on our list plant zucchini earlier than Esch-sur-Alzette; the closest date is in Luxembourg, 8 days earlier.

City	Distance	Date	Difference
Luxembourg	16 km	7 June – 1 September	8 days earlier
Ettelbruck	40 km	6 June – 29 August	9 days earlier
Metz	45 km	4 June – 31 August	11 days earlier
Saarbrücken	79 km	3 June – 1 September	12 days earlier
Nancy	92 km	3 June – 31 August	12 days earlier
Liège	129 km	4 June – 2 September	11 days earlier

Where to buy zucchini plants and seeds near Esch-sur-Alzette

Buy plants ready to set out from 15 June to 1 September (from 25 May to 1 September for an unheated greenhouse); seed for raising your own is sown from 4 May to 11 August. Within 15 km of Esch-sur-Alzette OpenStreetMap lists 10 garden centres, 1 plant nursery, 5 markets and 10 farm shops (collected 27 October 2026).

Tous Au Jardin — garden centre
12 km
Point Vert — garden centre
13 km
Paysage Luxembourgeois — garden centre
15 km
Ets Titeux Pépinière — garden centre
15 km

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.

Questions