Barn Owls in New Jersey
When barn owls are present in New Jersey, when they nest, which native New Jersey plants feed them, and how to host them in a USDA 6a–7b yard.
- Status in New Jersey
- Year-round resident
- Nesting window
- January–December
- Broods
- 1–3 per season
- Hardiness zones
- USDA 6a–7b
- Nest box
- 6 in hole, 16 × 24 in floor, 10–20 ft
When to expect barn owls in New Jersey
Barn Owls live in New Jersey all year. Moderate winters; Cape May and the shore hold many half-hardy birds. That makes the cold months the time your yard matters most to them.
Humid continental to subtropical, from the Highlands in the north to the Pine Barrens and Cape May.
Nesting in New Jersey
Across New Jersey, barn owls typically nest from January–December. Plan around that window: January for setup, December for clean-out.
Hot, humid summers; Cape May is a world-class migration funnel.
- Have boxes cleaned and mounted before January — barn owls begin prospecting ahead of egg-laying.
- Use a 6 in entrance on a 16 × 24 in floor, mounted 10–20 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 December.
Native New Jersey plants that attract barn owls
Of the regional native plants we track for New Jersey, these 8 provide food or cover barn 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 barn owls through the New Jersey year
- Top foods: None — a large barn-owl box on a pole or barn is the draw.
- In New Jersey's winter: Moderate winters; Cape May and the shore hold many half-hardy birds.
Full diet breakdown for barn owls · Best feeder for barn owls
Frequently asked
Are barn owls in New Jersey year-round?
Yes. Barn Owls are year-round residents in New Jersey.
When do barn owls nest in New Jersey?
Nesting in New Jersey typically runs January–December, with 1–3 per season. Clutches are 2–18 eggs, incubated for 29–34 days.
What native plants attract barn owls in New Jersey?
Flowering dogwood, Serviceberry, White oak, Black cherry, American elderberry, Arrowwood viburnum, Spicebush, New England aster are native plants in New Jersey that provide food or cover for barn owls.
What size birdhouse hole do barn owls need?
6 in, with a floor of 16 × 24 in mounted 10–20 ft.
Barn Owls in other regions
Other backyard birds in New Jersey
Sources
- Barn Owl — All About Birds, Cornell Lab of Ornithology
- Barn Owl life history — Cornell Lab of Ornithology
- Barn Owl — Audubon Guide to North American Birds
- NestWatch nest box plans and species requirements — Cornell Lab
- eBird region overview and bar charts — New Jersey
- 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.