Barred Owls in Maryland
When barred owls are present in Maryland, when they nest, which native Maryland plants feed them, and how to host them in a USDA 6a–8a yard.
- Status in Maryland
- Year-round resident
- Nesting window
- January–May
- Broods
- 1 per season
- Hardiness zones
- USDA 6a–8a
- Nest box
- 7–8 in hole, 13 × 13 in floor, 12–20 ft
When to expect barred owls in Maryland
Barred Owls live in Maryland all year. Mild winters in the east with regular snow in the western mountains. That makes the cold months the time your yard matters most to them.
Humid subtropical on the Chesapeake coastal plain, cooler in the Appalachian west.
Nesting in Maryland
Across Maryland, barred owls typically nest from January–May. Plan around that window: January for setup, May for clean-out.
Hot, humid summers around the Chesapeake.
- Have boxes cleaned and mounted before January — barred owls begin prospecting ahead of egg-laying.
- Use a 7–8 in entrance on a 13 × 13 in floor, mounted 12–20 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 May.
Native Maryland plants that attract barred owls
Of the regional native plants we track for Maryland, these 8 provide food or cover barred owls use:
Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.
Early-summer berries arrive exactly when nestlings are being fed.
Acorns plus hundreds of caterpillar species for nestling food.
Summer fruit and one of the top caterpillar host trees.
Late-summer berry clusters taken by over 40 bird species.
Blue-black fall fruit and dense nesting cover.
Lipid-rich red fruit fuels fall migrants.
Late nectar for insects and fall seed for sparrows.
Feeding barred owls through the Maryland year
- Top foods: None — hunts live prey after dark.
- In Maryland's winter: Mild winters in the east with regular snow in the western mountains.
Full diet breakdown for barred owls · Best feeder for barred owls
Frequently asked
Are barred owls in Maryland year-round?
Yes. Barred Owls are year-round residents in Maryland.
When do barred owls nest in Maryland?
Nesting in Maryland typically runs January–May, with 1 per season. Clutches are 1–5 eggs, incubated for 28–33 days.
What native plants attract barred owls in Maryland?
Flowering dogwood, Serviceberry, White oak, Black cherry, American elderberry, Arrowwood viburnum, Spicebush, New England aster are native plants in Maryland that provide food or cover for barred owls.
What size birdhouse hole do barred owls need?
7–8 in, with a floor of 13 × 13 in mounted 12–20 ft.
Barred Owls in other regions
Other backyard birds in Maryland
Sources
- Barred Owl — All About Birds, Cornell Lab of Ornithology
- Barred Owl life history — Cornell Lab of Ornithology
- Barred Owl — Audubon Guide to North American Birds
- NestWatch nest box plans and species requirements — Cornell Lab
- eBird region overview and bar charts — Maryland
- 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.