House Sparrows in Iowa
When house sparrows are present in Iowa, when they nest, which native Iowa plants feed them, and how to host them in a USDA 4b–6a yard.
- Status in Iowa
- Year-round resident
- Nesting window
- April–August
- Broods
- 2–4 per season
- Hardiness zones
- USDA 4b–6a
When to expect house sparrows in Iowa
House Sparrows live in Iowa all year. Cold, windy winters; open farmland makes backyard shelter and feeders a lifeline. That makes the cold months the time your yard matters most to them: their winter diet shifts toward grain and feeder seed.
Humid continental prairie state, with loess hills in the west and the Driftless Area in the northeast.
Nesting in Iowa
Across Iowa, house sparrows typically nest from April–August. Nest site: messy grass nest in any cavity, including nest boxes. Females lay 4–6 eggs, incubate for 10–14 days, and young leave the nest after 14 days.
Hot, humid summers with thunderstorms.
- House Sparrows don't use nest boxes. Keep dense native shrubs and trees such as paper birch for nest sites.
- Delay heavy pruning of shrubs until after August.
Native Iowa plants that attract house sparrows
Of the regional native plants we track for Iowa, these 8 provide food or cover house sparrows use:
Tubular flowers for hummingbirds and seed heads for finches.
Leave seed heads up through winter for goldfinches.
Prolific seed heads for finches and sparrows.
Annual native sunflower — the original feeder seed.
Late nectar for insects and fall seed for sparrows.
Native bunchgrass; winter seed and ground cover for sparrows and juncos.
Insect-rich in fall and seed in winter.
Catkin seed feeds redpolls and siskins all winter.
Feeding house sparrows through the Iowa year
An introduced species that evicts bluebirds and kills nestlings; use 1 1/2 in bluebird holes, monitor boxes, and avoid millet if it's a problem.
- Best foods: Millet, Cracked corn.
- In Iowa's winter: Cold, windy winters; open farmland makes backyard shelter and feeders a lifeline.
Full diet breakdown for house sparrows · Best feeder for house sparrows
Frequently asked
Are house sparrows in Iowa year-round?
Yes. House Sparrows are year-round residents in Iowa.
When do house sparrows nest in Iowa?
Nesting in Iowa typically runs April–August, with 2–4 per season. Clutches are 4–6 eggs, incubated for 10–14 days.
What native plants attract house sparrows in Iowa?
Wild bergamot, Purple coneflower, Black-eyed Susan, Common sunflower, New England aster, Little bluestem, Tall goldenrod, Paper birch are native plants in Iowa that provide food or cover for house sparrows.
House Sparrows in other regions
Other backyard birds in Iowa
Sources
- House Sparrow — All About Birds, Cornell Lab of Ornithology
- House Sparrow life history — Cornell Lab of Ornithology
- House Sparrow — Audubon Guide to North American Birds
- eBird region overview and bar charts — Iowa
- USDA Plant Hardiness Zone Map (2023)
- Audubon Native Plants Database
Timing reflects typical patterns for the region as a whole; local dates vary with elevation and year. Check the linked eBird bar charts for your county.