Wisconsin · Summer breeder

Palm Warblers in Wisconsin

When palm warblers are present in Wisconsin, when they nest, which native Wisconsin plants feed them, and how to host them in a USDA 3b–6a yard.

Wood-warblers (Parulidae)Palm WarblerSetophaga palmarum
Status in Wisconsin
Summer breeder
Nesting window
June–July
Broods
1 per season
Hardiness zones
USDA 3b–6a

When to expect palm warblers in Wisconsin

Palm Warblers are summer residents in Wisconsin, arriving shortly before nesting begins in June and leaving after the young are independent.

Humid continental, with two Great Lakes shorelines, northern forest and southern prairie-oak savanna.

Nesting in Wisconsin

Across Wisconsin, palm warblers typically nest from June–July. Plan around that window: May for setup, July for clean-out.

Warm, humid summers.

  • Palm Warblers don't use nest boxes. Keep dense native shrubs and trees such as eastern red cedar, serviceberry, winterberry for nest sites.
  • Delay heavy pruning of shrubs until after July.

Native Wisconsin plants that attract palm warblers

Of the regional native plants we track for Wisconsin, these 8 provide food or cover palm warblers use:

Eastern red cedar
Juniperus virginiana · Tree

Dense evergreen roost cover and bluish 'berries' eaten through winter.

Serviceberry
Amelanchier arborea · Tree

Early-summer berries arrive exactly when nestlings are being fed.

Winterberry
Ilex verticillata · Shrub

Deciduous holly holding red fruit into mid-winter.

Staghorn sumac
Rhus typhina · Shrub

Fruit clusters persist all winter as emergency food.

Smooth sumac
Rhus glabra · Shrub

Red fruit heads hang on through winter.

White oak
Quercus alba · Tree

Acorns plus hundreds of caterpillar species for nestling food.

Bur oak
Quercus macrocarpa · Tree

Drought-hardy prairie oak with large acorns and a heavy insect load.

Black cherry
Prunus serotina · Tree

Summer fruit and one of the top caterpillar host trees.

Feeding palm warblers through the Wisconsin year

  • Top foods: Suet nuggets, Mealworms.
  • In Wisconsin's summer: offer water and insect foods; natural food is abundant.

Full diet breakdown for palm warblers · Best feeder for palm warblers

Frequently asked

Are palm warblers in Wisconsin year-round?

No. Palm Warblers are summer breeders in Wisconsin and leave for the winter.

When do palm warblers nest in Wisconsin?

Nesting in Wisconsin typically runs June–July, with 1 per season. Clutches are 4–5 eggs, incubated for 12 days.

What native plants attract palm warblers in Wisconsin?

Eastern red cedar, Serviceberry, Winterberry, Staghorn sumac, Smooth sumac, White oak, Bur oak, Black cherry are native plants in Wisconsin that provide food or cover for palm warblers.

Palm Warblers in other regions

Other backyard birds in Wisconsin

Northern CardinalEastern BluebirdBlack-capped ChickadeePurple MartinDowny WoodpeckerHairy WoodpeckerAmerican GoldfinchTufted TitmouseWhite-breasted NuthatchHouse WrenBlue JayHouse FinchPurple FinchRuby-throated HummingbirdMourning DoveAmerican RobinDark-eyed JuncoWhite-throated SparrowSong SparrowChipping SparrowRed-bellied WoodpeckerNorthern FlickerPileated WoodpeckerRed-headed WoodpeckerYellow-bellied SapsuckerRed-breasted NuthatchBrown CreeperCommon GrackleRed-winged BlackbirdBaltimore OrioleOrchard OrioleRose-breasted GrosbeakEvening GrosbeakPine SiskinCommon RedpollIndigo BuntingEastern TowheeGray CatbirdBrown ThrasherCedar WaxwingTree SwallowBarn SwallowEastern PhoebeChimney SwiftYellow-rumped WarblerPine WarblerEastern Screech-OwlWood ThrushGreat Crested FlycatcherEastern KingbirdAmerican Tree SparrowHouse SparrowEuropean StarlingCanada JayEurasian Collared-DoveAmerican CrowCommon RavenCooper's HawkSharp-shinned HawkRed-tailed HawkBarred OwlGreat Horned OwlAmerican KestrelWood DuckWild TurkeyNorthern BobwhiteMallardGreat Blue HeronBelted KingfisherScarlet TanagerEastern MeadowlarkBrown-headed CowbirdGolden-crowned KingletHermit ThrushWinter WrenPine GrosbeakRed CrossbillField SparrowGray CatbirdLark SparrowHooded MerganserYellow WarblerCommon YellowthroatAmerican RedstartBlack-and-white WarblerProthonotary WarblerOvenbirdYellow-breasted ChatRed-eyed VireoWarbling 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 OwlBlack-backed WoodpeckerSavannah SparrowSwamp SparrowVesper SparrowSnow BuntingLapland LongspurHorned LarkDickcisselCommon RedpollHoary RedpollWhite-winged CrossbillBohemian WaxwingYellow-billed CuckooBobolinkYellow-headed BlackbirdBrewer's BlackbirdRock Pigeon

Sources

  1. Palm Warbler — All About Birds, Cornell Lab of Ornithology
  2. Palm Warbler life history — Cornell Lab of Ornithology
  3. Palm Warbler — Audubon Guide to North American Birds
  4. eBird region overview and bar charts — Wisconsin
  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.