Great Horned Owls in Washington
When great horned 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
- January–April
- Broods
- 1 per season
- Hardiness zones
- USDA 4a–9a
When to expect great horned owls in Washington
Great Horned 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, great horned owls typically nest from January–April. Plan around that window: January for setup, April for clean-out.
Dry, sunny summers west of the Cascades; hot in the Columbia Basin.
- Great Horned Owls 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 April.
Native Washington plants that attract great horned owls
Of the regional native plants we track for Washington, these 8 provide food or cover great horned 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 great horned owls through the Washington year
- Top foods: None — hunts live prey after dark.
- In Washington's winter: Mild, wet winters on the Puget Sound; cold winters in the east.
Full diet breakdown for great horned owls · Best feeder for great horned owls
Frequently asked
Are great horned owls in Washington year-round?
Yes. Great Horned Owls are year-round residents in Washington.
When do great horned owls nest in Washington?
Nesting in Washington typically runs January–April, with 1 per season. Clutches are 1–4 eggs, incubated for 28–37 days.
What native plants attract great horned 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 great horned owls.
Great Horned Owls in other regions
Other backyard birds in Washington
Sources
- Great Horned Owl — All About Birds, Cornell Lab of Ornithology
- Great Horned Owl life history — Cornell Lab of Ornithology
- Great Horned Owl — Audubon Guide to North American Birds
- 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.