GreenlyWhen to plant zucchini in Zlín: 6 June – 20 August
In Zlín, zucchini: sow for seedlings from 25 April to 30 July; plant into a greenhouse from 16 May to 20 August; plant out into open ground from 6 June to 20 August. For plants and seeds, the places nearby include zahradnictví ARBO (garden centre, 11 km) and TS Luhačovice - zahradnictví (garden centre, 15 km); addresses and opening hours are below.
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Zucchini in Zlín: soil, season and weather
In Zlín the soil, not frost, sets the date: the last frost is over around 19 April, but the top 7 cm of soil reaches 18 °C — the minimum on the zucchini card — only around 6 June, 48 days later.
| Last spring frost | 19 April |
|---|---|
| Top 7 cm of soil at 18 °C | 6 June, 48 days after the last frost |
| First autumn frost | 6 November, 153 days after the start |
| Days in the bed to the first harvest (card) | 36 |
| First harvest, if planted in this window | 12 July – 25 September |
| Days left for picking | 117 |
| Daylight | 15:20 on 16 May, 16:04 on 6 June |
| Watering outdoors when fruiting (card) | every 3 days; the driest month, November, has 10 rainy days |
The same dates in Zlín hold for Cucumber, Bell Pepper, Eggplant, Pumpkin and Watermelon.
Zucchini in Zlín: care after planting
Planted on 6 June: in the first weeks water every 4 days.
Pests and diseases of zucchini to watch for:
Weather in Zlín during the zucchini season
About 480 mm of rain falls in the season; November is the driest month (52 mm) and August the wettest (95 mm).
| Month | Day, °C | Night, °C | Rain, mm | Rainy days | Daylight on the 15th |
|---|---|---|---|---|---|
| June | 23.7 | 13.6 | 84 | 12 | 16:13 |
| July | 24.9 | 14.7 | 90 | 13 | 15:51 |
| August | 25 | 15.1 | 95 | 11 | 14:27 |
| September | 20 | 11.2 | 93 | 10 | 12:40 |
| October | 14 | 6.6 | 66 | 11 | 10:52 |
| November | 7.4 | 1.9 | 52 | 10 | 9:10 |
ERA5 2016–2025, Open-Meteo
Zucchini in nearby cities
Around Zlín, Bratislava is 6 days earlier and Ostrava 2 days later.
Where to buy zucchini plants and seeds near Zlín
Buy plants ready to set out from 6 June to 20 August (from 16 May to 20 August for an unheated greenhouse); seed for raising your own is sown from 25 April to 30 July. Within 15 km of Zlín OpenStreetMap lists 4 garden centres, 1 farm-supply shop and 1 market (collected 28 October 2026).
- Mikroagra — garden centre
15 km - Tržiště Pod kaštany — market
1 km - zahradnictví ARBO — garden centre
Martinice 300, 76901 · Mon–Sat 08:30–17:00; Sun 08:30–12:00 · 11 km - TS Luhačovice - zahradnictví — garden centre
Mon–Fri 06:30–11:00 · 15 km · tsluhacovice.cz
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 Zlín
- Shops and markets: Zlín
- Selling a surplus in Czechia
- Zlín: #556 of 801 by frost-free season
- Moon planting calendar for November 2026
- How we calculate the dates
Questions
When to plant zucchini in Zlín?
In Zlín, zucchini: sow for seedlings from 25 April to 30 July; plant into a greenhouse from 16 May to 20 August; plant out into open ground from 6 June to 20 August.
When to sow zucchini for seedlings in Zlín?
Sow for seedlings from 25 April to 30 July.
When is the last spring frost in Zlín?
Last spring frost around 19 April, first autumn frost around 6 November.
