American Tree Sparrows in Iowa
When American tree 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
- Winter visitor
- Nesting window
- Does not typically nest here
- Hardiness zones
- USDA 4b–6a
When to expect American tree sparrows in Iowa
In Iowa, American tree sparrows are winter visitors rather than breeders. Cold, windy winters; open farmland makes backyard shelter and feeders a lifeline. While here they rely on grass and weed seeds.
Humid continental prairie state, with loess hills in the west and the Driftless Area in the northeast.
Native Iowa plants that attract American tree sparrows
Of the regional native plants we track for Iowa, these 8 provide food or cover American tree 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 American tree sparrows through the Iowa year
A winter-only visitor to most of the U.S.; forages in weedy fields and under feeders.
- Best foods: Millet, Hulled sunflower.
- In Iowa's winter: Cold, windy winters; open farmland makes backyard shelter and feeders a lifeline.
Full diet breakdown for American tree sparrows · Best feeder for American tree sparrows
Frequently asked
Are American tree sparrows in Iowa year-round?
No. American Tree Sparrows are winter visitors in Iowa and do not typically nest there.
What native plants attract American tree 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 American tree sparrows.
American Tree Sparrows in other regions
Other backyard birds in Iowa
Sources
- American Tree Sparrow — All About Birds, Cornell Lab of Ornithology
- American Tree Sparrow life history — Cornell Lab of Ornithology
- American Tree 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.