GreenlyWhen to plant zucchini in Kitakyushu: from 15 May
In Kitakyushu, zucchini: sow for seedlings from 3 April; plant into a greenhouse from 24 April; plant out into open ground from 15 May. There is no autumn frost here, so the frost dates set no end to the window.
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Zucchini in Kitakyushu: soil, season and weather
In Kitakyushu the soil, not frost, sets the date: the last frost is over around 17 February, but the top 7 cm of soil reaches 18 °C — the minimum on the zucchini card — only around 15 May, 87 days later. Kitakyushu has no autumn frost in the median year, so frost does not end the season.
| Last spring frost | 17 February |
|---|---|
| Top 7 cm of soil at 18 °C | 15 May, 87 days after the last frost |
| Days in the bed to the first harvest (card) | 36 |
| First harvest, if planted in this window | from 20 June |
| Daylight | 13:18 on 24 April, 13:54 on 15 May |
| Watering outdoors when fruiting (card) | every 3 days; the driest month, October, has 9 rainy days |
The same dates in Kitakyushu hold for Cucumber, Bell Pepper, Eggplant, Pumpkin and Watermelon.
Zucchini in Kitakyushu: care after planting
Planted on 15 May: in the first weeks water every 4 days.
Pests and diseases of zucchini to watch for:
Weather in Kitakyushu during the zucchini season
About 1237 mm of rain falls in the season; October is the driest month (100 mm) and July the wettest (261 mm).
| Month | Day, °C | Night, °C | Rain, mm | Rainy days | Daylight on the 15th |
|---|---|---|---|---|---|
| May | 21.8 | 15.6 | 163 | 11 | 13:54 |
| June | 25.4 | 19.8 | 260 | 14 | 14:24 |
| July | 29.3 | 24.4 | 261 | 16 | 14:12 |
| August | 31.1 | 25.5 | 240 | 12 | 13:26 |
| September | 27.7 | 22.5 | 213 | 14 | 12:25 |
| October | 22.5 | 17 | 100 | 9 | 11:23 |
ERA5 2016–2025, Open-Meteo
Zucchini in nearby cities
Around Kitakyushu, Kumamoto is 13 days earlier and Hiroshima 11 days later.
Where to buy zucchini plants and seeds near Kitakyushu
Buy plants ready to set out from 15 May (from 24 April for an unheated greenhouse); seed for raising your own is sown from 3 April. Within 15 km of Kitakyushu OpenStreetMap lists 1 garden centre and 3 markets (collected 28 October 2026).
- ガーデニングshop やまもと — garden centre
15 km - Karato Wholesale Market — market
11 km · karatoichiba.com - Tanga Ichiba — market
0 km - 中央卸売市場 — market
3 km
Places: © OpenStreetMap contributors, ODbL.
- How to grow zucchini
- All frost dates and weather of Kitakyushu
- Shops and markets: Kitakyushu
- Moon planting calendar for November 2026
- How we calculate the dates
Questions
When to plant zucchini in Kitakyushu?
In Kitakyushu, zucchini: sow for seedlings from 3 April; plant into a greenhouse from 24 April; plant out into open ground from 15 May. There is no autumn frost here, so the frost dates set no end to the window.
When to sow zucchini for seedlings in Kitakyushu?
Sow for seedlings from 3 April.
