Washington · Winter visitor

American Tree Sparrows in Washington

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

New World sparrows (Passerellidae)American Tree SparrowSpizelloides arborea
Status in Washington
Winter visitor
Nesting window
Does not typically nest here
Hardiness zones
USDA 4a–9a

When to expect American tree sparrows in Washington

In Washington, American tree sparrows are winter visitors rather than breeders. Mild, wet winters on the Puget Sound; cold winters in the east. While here they rely on grass and weed seeds.

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

Native Washington plants that attract American tree sparrows

Of the regional native plants we track for Washington, these 8 provide food or cover American tree sparrows use:

Wild bergamot
Monarda fistulosa · Perennial

Tubular flowers for hummingbirds and seed heads for finches.

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.

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.

Rocky Mountain bee plant
Cleome serrulata · Perennial

Nectar-rich in summer, seed for finches in fall.

Rabbitbrush
Ericameria nauseosa · Shrub

Late-season bloom supports insects; seed for sparrows.

Feeding American tree sparrows through the Washington year

A winter-only visitor to most of the U.S.; forages in weedy fields and under feeders.

  • Best foods: Millet, Hulled sunflower.
  • In Washington's winter: Mild, wet winters on the Puget Sound; cold winters in the east.

Full diet breakdown for American tree sparrows · Best feeder for American tree sparrows

Frequently asked

Are American tree sparrows in Washington year-round?

No. American Tree Sparrows are winter visitors in Washington and do not typically nest there.

What native plants attract American tree sparrows in Washington?

Wild bergamot, Black-eyed Susan, Common sunflower, Little bluestem, Tall goldenrod, Paper birch, Rocky Mountain bee plant, Rabbitbrush are native plants in Washington that provide food or cover for American tree sparrows.

American Tree Sparrows in other regions

Other backyard birds in Washington

Sources

  1. American Tree Sparrow — All About Birds, Cornell Lab of Ornithology
  2. American Tree Sparrow life history — Cornell Lab of Ornithology
  3. American Tree Sparrow — 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.