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When to plant tulips in Louisville: 12 October – end of December

In Louisville, tulip: plant from 12 October 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 Louisville: soil, season and weather

Nights then average below 0 °C in January, February; the coldest, January, averages -2.4 °C.

Planting12 October – end of December
First autumn frost11 November
Coldest nightsJanuary, -2.4 °C
Soil back at 7 °C in spring15 February
Daylight11:22 on 12 October
Daylight at the winter solstice9:30

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

Tulip in Louisville: 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 Louisville the average daily temperature stays at 10 °C or lower for about 18 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 Louisville the three warmest months bring about 321 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 Louisville, Frankfort is 8 days earlier and Nashville 3 days later.

CityDistanceDateDifference
Frankfort78 km4 October – end of December8 days earlier
Lexington116 km8 October – end of December4 days earlier
Cincinnati146 km10 October – end of December2 days earlier
Evansville159 km11 October – end of December1 day earlier
Indianapolis173 km7 October – 23 December5 days earlier
Nashville249 kmby 15 October3 days later

Where to buy tulip for planting in Louisville

Planting stock goes into the ground from 12 October to the end of December; buy it before that. Within 15 km of Louisville OpenStreetMap lists 1 garden centre, 1 farm-supply shop, 1 plant nursery and 7 markets (collected 20 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant tulips in Louisville?

In Louisville, tulip: plant from 12 October 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 Louisville?

Last spring frost around 6 April, first autumn frost around 11 November.

Other crops in Louisville, with their dates