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When to plant tulips in Osaka: 17 November – end of December

In Osaka, tulip: plant from 17 November to the end of December.

Bulbs are best planted early in the window: late-planted bulbs may flower later or less well. Late planting works only while the soil can be dug. Mulch after planting.

The average daily temperature here stays above 0 °C all winter, and at least three months average 7 °C or less: our rule of thumb for the winter cold spring bulbs need. Sources: Iowa State University Extension, Wisconsin Horticulture Extension, UNH Extension, RHS.

Tulip in Osaka: soil, season and weather

No month averages below 0 °C at night; the coldest nights, in January, average 0.6 °C.

Planting17 November – end of December
First autumn frost17 December
Coldest nightsJanuary, 0.6 °C
Soil back at 7 °C in spring20 February
Daylight10:19 on 17 November
Daylight at the winter solstice9:50

The same dates in Osaka hold for Garlic, Daffodil, Crocus and Hyacinth.

Tulip in Osaka: depth, winter cold, pests and pets

Plant tulips at a depth of two to three times the bulb’s height, at least twice the bulb’s width apart, pointed end up (RHS).

In Osaka the average daily temperature stays at 10 °C or lower for about 16 weeks a year (our estimate from ten years of monthly weather). For this bulb Wisconsin Horticulture Extension gives a cold period of 15–17 weeks at about 2–10 °C. The winter here gives that in the ground, so the bulbs need no pre-chilling.

Border tulips often fail to flower in their second year if left in the ground, so many gardeners grow them for one spring and plant fresh bulbs each autumn; Darwin hybrid and Kaufmanniana tulips reflower more reliably (RHS). Soils that stay wet in summer make reflowering difficult (RHS): in Osaka the three warmest months bring about 622 mm of rain together.

Grey squirrels often dig up tulip bulbs: lay chicken wire over the bed until the leaves appear, or plant daffodils among them, which squirrels avoid (RHS). Tulips are toxic to dogs, cats and horses, the bulb most of all (ASPCA).

Sources: RHS, Wisconsin Horticulture Extension, ASPCA.

Tulip in nearby cities

Around Osaka, Hiroshima is 22 days earlier and Hamamatsu 1 day later.

CityDistanceDateDifference
Kyoto43 km7 November – end of December10 days earlier
Nagoya139 km10 November – end of December7 days earlier
Okayama145 km15 November – end of December2 days earlier
Hamamatsu204 kmby 18 November1 day later
Hiroshima281 km26 October – end of December22 days earlier
Tokyo397 km14 November – end of December3 days earlier

Where to buy tulip for planting in Osaka

Planting stock goes into the ground from 17 November to the end of December; buy it before that. Within 15 km of Osaka OpenStreetMap lists 16 garden centres, 4 farm-supply shops, 3 plant nurseries, 19 markets and 8 farm shops (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant tulips in Osaka?

In Osaka, tulip: plant from 17 November to the end of December. Bulbs are best planted early in the window: late-planted bulbs may flower later or less well. Late planting works only while the soil can be dug. Mulch after planting.

When is the last spring frost in Osaka?

Last spring frost around 14 March, first autumn frost around 17 December.

Other crops in Osaka, with their dates