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When to plant tulips in Sioux Falls: 21 September – 16 November

In Sioux Falls, tulip: plant from 21 September to about 16 November. For planting stock, the places nearby include Prairie Greens Produce (farm shop, 14 km); addresses and opening hours are below.

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 date is about two weeks before the average daily temperature here falls below 0 °C (ten years of weather): an estimate, not the day the ground freezes, and a cold spell can freeze it earlier. Sources: Iowa State University Extension, Wisconsin Horticulture Extension, UNH Extension, RHS, how the ground freezes (NRC Canada, CBD-26).

Tulip in Sioux Falls: soil, season and weather

Nights then average below 0 °C in November–March; the coldest, January, averages -11 °C.

Planting21 September – 16 November
First autumn frost21 October
Coldest nightsJanuary, -11 °C
Soil back at 7 °C in spring10 April
Daylight12:16 on 21 September
Daylight at the winter solstice8:56

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

Tulip in Sioux Falls: 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). Where winters are very cold, tulips benefit from deeper planting to protect them from frost penetrating the soil (RHS); here the average daily temperature drops below 0 °C in winter.

In Sioux Falls the average daily temperature stays at 10 °C or lower for about 26 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 Sioux Falls the three warmest months bring about 271 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

All the nearest cities on our list plant tulip later than Sioux Falls; the closest date is in Pierre, 3 days later.

CityDistanceDateDifference
Omaha262 km26 September – 30 November5 days later
Pierre302 km24 September – 19 November3 days later
Lincoln304 km28 September – 7 December7 days later
Minneapolis319 km24 September – 10 November3 days later
Grand Island321 km27 September – 1 December6 days later
Des Moines334 km27 September – 29 November6 days later

Where to buy tulip for planting in Sioux Falls

Planting stock goes into the ground from 21 September to about 16 November; buy it before that. Within 15 km of Sioux Falls OpenStreetMap lists 1 garden centre, 5 farm-supply shops, 2 markets and 1 farm shop (collected 20 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant tulips in Sioux Falls?

In Sioux Falls, tulip: plant from 21 September to about 16 November. 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 Sioux Falls?

Last spring frost around 24 April, first autumn frost around 21 October.

Other crops in Sioux Falls, with their dates