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When to plant pumpkins in Chuncheon: 24 May – 6 July

In Chuncheon, pumpkin: sow for seedlings from 22 March to 25 May; plant into a greenhouse from 3 May to 6 July; plant out into open ground from 24 May to 6 July.

Pumpkin in Chuncheon: soil, season and weather

In Chuncheon the soil, not frost, sets the date: the last frost is over around 6 April, but the top 7 cm of soil reaches 18 °C — the minimum on the pumpkin card — only around 24 May, 48 days later.

Last spring frost6 April
Top 7 cm of soil at 18 °C24 May, 48 days after the last frost
First autumn frost31 October, 160 days after the start
Days in the bed to the first harvest (card)75
First harvest, if planted in this window7 August – 19 September
Days left for picking85
Daylight13:02 on 12 April, 14:26 on 24 May
Watering outdoors when fruiting (card)every 5 days; the driest month, October, has 7 rainy days

The same dates in Chuncheon hold for Cucumber, Bell Pepper, Eggplant, Zucchini and Watermelon.

Pumpkin in Chuncheon: care after planting

Planted on 24 May: in the first weeks water every 4 days.

Feeding, by the card’s schedule from that day:

  • 14 June — feed: nitrogen

Pests and diseases of pumpkin to watch for:

Dates count from the first planting day of the window above; a later planting moves them by as many days.

Weather in Chuncheon during the pumpkin season

About 1024 mm of rain falls in the season; October is the driest month (79 mm) and July the wettest (287 mm).

MonthDay, °CNight, °CRain, mmRainy daysDaylight on the 15th
May21.910.4103914:12
June26.416.11251114:46
July28.620.72871814:33
August28.620.82771613:39
September24.315.51531112:28
October17.67.879711:16

ERA5 2016–2025, Open-Meteo

Pumpkin in nearby cities

All the nearest cities on our list plant pumpkin earlier than Chuncheon; the closest date is in Jeonju, 5 days earlier.

CityDistanceDateDifference
Seoul74 km15 May – 12 July9 days earlier
Gangneung103 km17 May – 27 July7 days earlier
Daejeon172 km17 May – 18 July7 days earlier
Jeonju234 km19 May – 23 July5 days earlier
Daegu235 km16 May – 27 July8 days earlier
Ulsan294 km18 May – 22 July6 days earlier

Where to buy pumpkin plants and seeds near Chuncheon

Buy plants ready to set out from 24 May to 6 July (from 3 May to 6 July for an unheated greenhouse); seed for raising your own is sown from 22 March to 25 May. Within 15 km of Chuncheon OpenStreetMap lists 2 markets (collected 28 October 2026).

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.

Questions

When to plant pumpkins in Chuncheon?

In Chuncheon, pumpkin: sow for seedlings from 22 March to 25 May; plant into a greenhouse from 3 May to 6 July; plant out into open ground from 24 May to 6 July.

When to sow pumpkins for seedlings in Chuncheon?

Sow for seedlings from 22 March to 25 May.

When is the last spring frost in Chuncheon?

Last spring frost around 6 April, first autumn frost around 31 October.

Other crops in Chuncheon, with their dates