Iowa · Summer breeder

Savannah Sparrows in Iowa

When savannah 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.

New World sparrows (Passerellidae)Savannah SparrowPasserculus sandwichensis
Status in Iowa
Summer breeder
Nesting window
May–July
Broods
1–3 per season
Hardiness zones
USDA 4b–6a

When to expect savannah sparrows in Iowa

Savannah Sparrows are summer residents in Iowa, arriving shortly before nesting begins in May and leaving after the young are independent.

Humid continental prairie state, with loess hills in the west and the Driftless Area in the northeast.

Nesting in Iowa

Across Iowa, savannah sparrows typically nest from May–July. Plan around that window: April for setup, July for clean-out.

Hot, humid summers with thunderstorms.

  • Savannah 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 July.

Native Iowa plants that attract savannah sparrows

Of the regional native plants we track for Iowa, these 8 provide food or cover savannah sparrows use:

Wild bergamot
Monarda fistulosa · Perennial

Tubular flowers for hummingbirds and seed heads for finches.

Purple coneflower
Echinacea purpurea · Perennial

Leave seed heads up through winter for goldfinches.

Black-eyed Susan
Rudbeckia hirta · Perennial

Prolific seed heads for finches and sparrows.

Common sunflower
Helianthus annuus · Perennial

Annual native sunflower — the original feeder seed.

New England aster
Symphyotrichum novae-angliae · Perennial

Late nectar for insects and fall seed for sparrows.

Little bluestem
Schizachyrium scoparium · Perennial

Native bunchgrass; winter seed and ground cover for sparrows and juncos.

Tall goldenrod
Solidago altissima · Perennial

Insect-rich in fall and seed in winter.

Paper birch
Betula papyrifera · Tree

Catkin seed feeds redpolls and siskins all winter.

Feeding savannah sparrows through the Iowa year

  • Top foods: Millet, Cracked corn.
  • In Iowa's summer: offer water and insect foods; natural food is abundant.

Full diet breakdown for savannah sparrows · Best feeder for savannah sparrows

Frequently asked

Are savannah sparrows in Iowa year-round?

No. Savannah Sparrows are summer breeders in Iowa and leave for the winter.

When do savannah sparrows nest in Iowa?

Nesting in Iowa typically runs May–July, with 1–3 per season. Clutches are 2–6 eggs, incubated for 10–13 days.

What native plants attract savannah 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 savannah sparrows.

Savannah Sparrows in other regions

Other backyard birds in Iowa

Northern CardinalEastern BluebirdBlack-capped ChickadeePurple MartinDowny WoodpeckerHairy WoodpeckerAmerican GoldfinchTufted TitmouseWhite-breasted NuthatchHouse WrenBlue JayHouse FinchPurple FinchRuby-throated HummingbirdCarolina WrenMourning DoveAmerican RobinDark-eyed JuncoWhite-throated SparrowSong SparrowChipping SparrowRed-bellied WoodpeckerNorthern FlickerPileated WoodpeckerRed-headed WoodpeckerRed-breasted NuthatchBrown CreeperCommon GrackleRed-winged BlackbirdBaltimore OrioleOrchard OrioleRose-breasted GrosbeakPine SiskinIndigo BuntingEastern TowheeGray CatbirdBrown ThrasherCedar WaxwingTree SwallowBarn SwallowEastern PhoebeChimney SwiftEastern Screech-OwlWood ThrushGreat Crested FlycatcherEastern KingbirdAmerican Tree SparrowHouse SparrowEuropean StarlingWhite-crowned SparrowEurasian Collared-DoveAmerican CrowCooper's HawkSharp-shinned HawkRed-tailed HawkBarred OwlGreat Horned OwlAmerican KestrelWood DuckWild TurkeyNorthern BobwhiteMallardGreat Blue HeronBelted KingfisherScarlet TanagerEastern MeadowlarkBrown-headed CowbirdGolden-crowned KingletWinter WrenPine GrosbeakRed CrossbillField SparrowGray CatbirdLark SparrowHooded MerganserYellow WarblerCommon YellowthroatAmerican RedstartBlack-and-white WarblerYellow-throated WarblerProthonotary WarblerOvenbirdYellow-breasted ChatRed-eyed VireoWarbling VireoWhite-eyed VireoEastern Wood-PeweeLeast FlycatcherCliff SwallowNorthern Rough-winged SwallowBank SwallowCommon NighthawkEastern Whip-poor-willCanada GooseAmerican CootKilldeerSpotted SandpiperAmerican WoodcockGreen HeronGreat EgretBlack-crowned Night HeronTurkey VultureOspreyBald EagleRed-shouldered HawkMerlinPeregrine FalconNorthern Saw-whet OwlSwamp SparrowHarris's SparrowVesper SparrowSnow BuntingLapland LongspurHorned LarkDickcisselBlue GrosbeakHoary RedpollWhite-winged CrossbillBohemian WaxwingYellow-billed CuckooBobolinkYellow-headed BlackbirdBrewer's BlackbirdGreat-tailed GrackleRock PigeonEurasian Tree Sparrow

Sources

  1. Savannah Sparrow — All About Birds, Cornell Lab of Ornithology
  2. Savannah Sparrow life history — Cornell Lab of Ornithology
  3. Savannah Sparrow — Audubon Guide to North American Birds
  4. eBird region overview and bar charts — Iowa
  5. USDA Plant Hardiness Zone Map (2023)
  6. 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.