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When to plant daffodils in Davenport: 30 September – 30 November

In Davenport, daffodil: plant from 30 September to about 30 November. For planting stock, the places nearby include Wallaces Garden Center (garden centre, 3 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).

Daffodil in Davenport: soil, season and weather

Nights then average below 0 °C in December–February; the coldest, January, averages -8.3 °C.

Planting30 September – 30 November
First autumn frost30 October
Coldest nightsJanuary, -8.3 °C
Soil back at 7 °C in spring17 March
Daylight11:50 on 30 September
Daylight at the winter solstice9:10

The same dates in Davenport hold for Garlic, Tulip, Crocus and Hyacinth.

Daffodil in Davenport: depth, winter cold, pests and pets

Plant daffodils three times the bulb’s height deep (RHS): about 13–15 cm for large bulbs, 15–20 cm apart (University of Georgia Extension). The RHS advises planting them early in autumn, ideally in September in the UK, so do not leave them late: aim for the start of the window, 30 September.

In Davenport the average daily temperature stays at 10 °C or lower for about 23 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.

Daffodils are long-lived: clumps slowly expand over the years (RHS). Leave the leaves for at least eight weeks after flowering — they feed next year’s flowers (University of Georgia Extension).

Squirrels avoid daffodils, so they can be planted among tulips to reduce losses (RHS). Daffodils are toxic to dogs, cats and horses; the bulbs are the most poisonous part, and a large amount can cause convulsions and heart rhythm problems (ASPCA).

Sources: RHS, University of Georgia Extension, Wisconsin Horticulture Extension, ASPCA.

Daffodil in nearby cities

Around Davenport, Cedar Rapids is 5 days earlier and Chicago 7 days later.

CityDistanceDateDifference
Cedar Rapids100 km25 September – 25 November5 days earlier
Peoria129 km1 October – 9 December1 day later
Rockford149 km28 September – 25 November2 days earlier
Madison195 km27 September – 20 November3 days earlier
Springfield212 km2 October – 22 December2 days later
Chicago249 km7 October – 3 December7 days later

Where to buy daffodil for planting in Davenport

Planting stock goes into the ground from 30 September to about 30 November; buy it before that. Within 15 km of Davenport OpenStreetMap lists 2 garden centres and 1 market (collected 28 October 2026).

Places: © OpenStreetMap contributors, ODbL.

Questions

When to plant daffodils in Davenport?

In Davenport, daffodil: plant from 30 September to about 30 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 Davenport?

Last spring frost around 20 April, first autumn frost around 30 October.

Other crops in Davenport, with their dates