Western Screech-Owls in Washington
When western screech-owls are present in Washington, when they nest, which native Washington plants feed them, and how to host them in a USDA 4a–9a yard.
- Status in Washington
- Year-round resident
- Nesting window
- March–June
- Broods
- 1 per season
- Hardiness zones
- USDA 4a–9a
- Nest box
- 3 in hole, 8 × 8 in floor, 10–30 ft
When to expect western screech-owls in Washington
Western Screech-Owls live in Washington all year. Mild, wet winters on the Puget Sound; cold winters in the east. That makes the cold months the time your yard matters most to them.
Marine west-coast climate west of the Cascades, semi-arid shrub-steppe to the east.
Nesting in Washington
Across Washington, western screech-owls typically nest from March–June. Plan around that window: February for setup, June for clean-out.
Dry, sunny summers west of the Cascades; hot in the Columbia Basin.
- Have boxes cleaned and mounted before February — western screech-owls begin prospecting ahead of egg-laying.
- Use a 3 in entrance on a 8 × 8 in floor, mounted 10–30 ft.
- Fit a pole baffle or hole guard; ventilation gaps and drainage holes are essential.
- Clean out old nests after each brood and again after June.
Native Washington plants that attract western screech-owls
Of the regional native plants we track for Washington, these 8 provide food or cover western screech-owls use:
Insect-rich in fall and seed in winter.
Catkin seed feeds redpolls and siskins all winter.
Dark summer fruit and heavy caterpillar load.
Seeds and bark insects; pygmy nuthatch and woodpecker habitat.
Late-season bloom supports insects; seed for sparrows.
Acorns and a rich insect community in the Pacific Northwest.
Seed for crossbills, siskins and chickadees.
Early catkins draw insects for arriving warblers and hummingbirds.
Feeding western screech-owls through the Washington year
- Top foods: None — a nest box and mature trees are the draw.
- In Washington's winter: Mild, wet winters on the Puget Sound; cold winters in the east.
Full diet breakdown for western screech-owls · Best feeder for western screech-owls
Frequently asked
Are western screech-owls in Washington year-round?
Yes. Western Screech-Owls are year-round residents in Washington.
When do western screech-owls nest in Washington?
Nesting in Washington typically runs March–June, with 1 per season. Clutches are 1–7 eggs, incubated for 21–30 days.
What native plants attract western screech-owls 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 western screech-owls.
What size birdhouse hole do western screech-owls need?
3 in, with a floor of 8 × 8 in mounted 10–30 ft.
Western Screech-Owls in other regions
Other backyard birds in Washington
Sources
- Western Screech-Owl — All About Birds, Cornell Lab of Ornithology
- Western Screech-Owl life history — Cornell Lab of Ornithology
- Western Screech-Owl — Audubon Guide to North American Birds
- NestWatch nest box plans and species requirements — Cornell Lab
- eBird region overview and bar charts — Washington
- 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.