Washington · Summer breeder

Green Herons in Washington

When green herons are present in Washington, when they nest, which native Washington plants feed them, and how to host them in a USDA 4a–9a yard.

Herons and egrets (Ardeidae)Green HeronButorides virescens
Status in Washington
Summer breeder
Nesting window
April–July
Broods
1–2 per season
Hardiness zones
USDA 4a–9a

When to expect green herons in Washington

Green Herons are summer residents in Washington, arriving shortly before nesting begins in April and leaving after the young are independent.

Marine west-coast climate west of the Cascades, semi-arid shrub-steppe to the east.

Nesting in Washington

Across Washington, green herons typically nest from April–July. Plan around that window: March for setup, July for clean-out.

Dry, sunny summers west of the Cascades; hot in the Columbia Basin.

  • Green Herons don't use nest boxes. Keep dense native shrubs and trees such as paper birch, chokecherry, ponderosa pine for nest sites.
  • Delay heavy pruning of shrubs until after July.

Native Washington plants that attract green herons

Of the regional native plants we track for Washington, these 8 provide food or cover green herons use:

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.

Chokecherry
Prunus virginiana · Shrub

Dark summer fruit and heavy caterpillar load.

Ponderosa pine
Pinus ponderosa · Tree

Seeds and bark insects; pygmy nuthatch and woodpecker habitat.

Rabbitbrush
Ericameria nauseosa · Shrub

Late-season bloom supports insects; seed for sparrows.

Oregon white oak
Quercus garryana · Tree

Acorns and a rich insect community in the Pacific Northwest.

Douglas fir
Pseudotsuga menziesii · Tree

Seed for crossbills, siskins and chickadees.

Willow (Bebb)
Salix bebbiana · Shrub

Early catkins draw insects for arriving warblers and hummingbirds.

Feeding green herons through the Washington year

  • Top foods: None — a fish-bearing pond is the draw.
  • In Washington's summer: offer water and insect foods; natural food is abundant.

Full diet breakdown for green herons · Best feeder for green herons

Frequently asked

Are green herons in Washington year-round?

No. Green Herons are summer breeders in Washington and leave for the winter.

When do green herons nest in Washington?

Nesting in Washington typically runs April–July, with 1–2 per season. Clutches are 2–6 eggs, incubated for 19–21 days.

What native plants attract green herons in Washington?

Tall goldenrod, Paper birch, Chokecherry, Ponderosa pine, Rabbitbrush, Oregon white oak, Douglas fir, Willow (Bebb) are native plants in Washington that provide food or cover for green herons.

Green Herons in other regions

Other backyard birds in Washington

Black-capped ChickadeePurple MartinDowny WoodpeckerHairy WoodpeckerAmerican GoldfinchWhite-breasted NuthatchHouse WrenHouse FinchPurple FinchMourning DoveAmerican RobinDark-eyed JuncoSong SparrowChipping SparrowNorthern FlickerPileated WoodpeckerRed-breasted NuthatchBrown CreeperRed-winged BlackbirdEvening GrosbeakPine SiskinCommon RedpollGray CatbirdCedar WaxwingTree SwallowBarn SwallowYellow-rumped WarblerEastern KingbirdAmerican Tree SparrowHouse SparrowEuropean StarlingSteller's JayBlack-billed MagpieCanada JayMountain ChickadeeChestnut-backed ChickadeeBushtitPygmy NuthatchAnna's HummingbirdBlack-chinned HummingbirdRufous HummingbirdLesser GoldfinchCassin's FinchSpotted TowheeCalifornia QuailWestern BluebirdMountain BluebirdSay's PhoebeBewick's WrenWhite-crowned SparrowGolden-crowned SparrowFox SparrowVaried ThrushViolet-green SwallowBlack-headed GrosbeakLazuli BuntingBullock's OrioleEurasian Collared-DoveAmerican CrowCommon RavenCooper's HawkSharp-shinned HawkRed-tailed HawkGreat Horned OwlAmerican KestrelWood DuckWild TurkeyMallardGreat Blue HeronBelted KingfisherBrown-headed CowbirdRuby-crowned KingletGolden-crowned KingletHermit ThrushWinter WrenPine GrosbeakRed CrossbillGray CatbirdWestern TanagerLark SparrowGreen-tailed TowheeClark's NutcrackerWestern Screech-OwlHooded MerganserBand-tailed PigeonYellow WarblerCommon YellowthroatYellow-breasted ChatOrange-crowned WarblerWarbling VireoWestern KingbirdAsh-throated FlycatcherCliff SwallowNorthern Rough-winged SwallowBank SwallowCommon NighthawkCanada GooseAmerican CootKilldeerSpotted SandpiperGreat EgretBlack-crowned Night HeronTurkey VultureOspreyBald EagleMerlinPeregrine FalconNorthern Saw-whet OwlBarn OwlLewis's WoodpeckerBlack-backed WoodpeckerWhite-headed WoodpeckerSavannah SparrowVesper SparrowSnow BuntingLapland LongspurHorned LarkCommon RedpollBohemian WaxwingBobolinkYellow-headed BlackbirdBrewer's BlackbirdRock Pigeon

Sources

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