Great Horned Owls in Montana
When great horned owls are present in Montana, when they nest, which native Montana plants feed them, and how to host them in a USDA 3a–6a yard.
- Status in Montana
- Year-round resident
- Nesting window
- February–April
- Broods
- 1 per season
- Hardiness zones
- USDA 3a–6a
When to expect great horned owls in Montana
Great Horned Owls live in Montana all year. Very cold winters on the plains, with chinook winds bringing sudden thaws. That makes the cold months the time your yard matters most to them.
Continental — Rocky Mountain forest in the west, semi-arid Great Plains in the east.
Nesting in Montana
Across Montana, great horned owls typically nest from February–April. Plan around that window: January for setup, April for clean-out.
Warm, dry summers and a short growing season.
- Great Horned Owls don't use nest boxes. Keep dense native shrubs and trees such as bur oak, paper birch, chokecherry for nest sites.
- Delay heavy pruning of shrubs until after April.
Native Montana plants that attract great horned owls
Of the regional native plants we track for Montana, these 8 provide food or cover great horned owls use:
Drought-hardy prairie oak with large acorns and a heavy insect load.
Insect-rich in fall and seed in winter.
Catkin seed feeds redpolls and siskins all winter.
Dark summer fruit and heavy caterpillar load.
Sweet dry fruit on the branch all winter.
Seeds and bark insects; pygmy nuthatch and woodpecker habitat.
Late-season bloom supports insects; seed for sparrows.
Seed for crossbills, siskins and chickadees.
Feeding great horned owls through the Montana year
- Top foods: None — hunts live prey after dark.
- In Montana's winter: Very cold winters on the plains, with chinook winds bringing sudden thaws.
Full diet breakdown for great horned owls · Best feeder for great horned owls
Frequently asked
Are great horned owls in Montana year-round?
Yes. Great Horned Owls are year-round residents in Montana.
When do great horned owls nest in Montana?
Nesting in Montana typically runs February–April, with 1 per season. Clutches are 1–4 eggs, incubated for 28–37 days.
What native plants attract great horned owls in Montana?
Bur oak, Tall goldenrod, Paper birch, Chokecherry, Common hackberry, Ponderosa pine, Rabbitbrush, Douglas fir are native plants in Montana that provide food or cover for great horned owls.
Great Horned Owls in other regions
Other backyard birds in Montana
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 — Montana
- 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.