New Hampshire · Year-round resident

Great Horned Owls in New Hampshire

When great horned owls are present in New Hampshire, when they nest, which native New Hampshire plants feed them, and how to host them in a USDA 3b–6a yard.

Owls (Strigidae)Great Horned OwlBubo virginianus
Status in New Hampshire
Year-round resident
Nesting window
February–April
Broods
1 per season
Hardiness zones
USDA 3b–6a

When to expect great horned owls in New Hampshire

Great Horned Owls live in New Hampshire all year. Long, snowy winters; boreal species visit feeders in irruption years. That makes the cold months the time your yard matters most to them.

Humid continental, with the White Mountains dividing the southern lowlands from northern forest.

Nesting in New Hampshire

Across New Hampshire, great horned owls typically nest from February–April. Plan around that window: January for setup, April for clean-out.

Mild summers; nesting starts late May.

  • Great Horned Owls don't use nest boxes. Keep dense native shrubs and trees such as serviceberry, white oak, black cherry for nest sites.
  • Delay heavy pruning of shrubs until after April.

Native New Hampshire plants that attract great horned owls

Of the regional native plants we track for New Hampshire, these 8 provide food or cover great horned owls use:

Serviceberry
Amelanchier arborea · Tree

Early-summer berries arrive exactly when nestlings are being fed.

White oak
Quercus alba · Tree

Acorns plus hundreds of caterpillar species for nestling food.

Black cherry
Prunus serotina · Tree

Summer fruit and one of the top caterpillar host trees.

American elderberry
Sambucus canadensis · Shrub

Late-summer berry clusters taken by over 40 bird species.

Arrowwood viburnum
Viburnum dentatum · Shrub

Blue-black fall fruit and dense nesting cover.

Spicebush
Lindera benzoin · Shrub

Lipid-rich red fruit fuels fall migrants.

New England aster
Symphyotrichum novae-angliae · Perennial

Late nectar for insects and fall seed for sparrows.

Tall goldenrod
Solidago altissima · Perennial

Insect-rich in fall and seed in winter.

Feeding great horned owls through the New Hampshire year

  • Top foods: None — hunts live prey after dark.
  • In New Hampshire's winter: Long, snowy winters; boreal species visit feeders in irruption years.

Full diet breakdown for great horned owls · Best feeder for great horned owls

Frequently asked

Are great horned owls in New Hampshire year-round?

Yes. Great Horned Owls are year-round residents in New Hampshire.

When do great horned owls nest in New Hampshire?

Nesting in New Hampshire 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 New Hampshire?

Serviceberry, White oak, Black cherry, American elderberry, Arrowwood viburnum, Spicebush, New England aster, Tall goldenrod are native plants in New Hampshire that provide food or cover for great horned owls.

Great Horned Owls in other regions

Other backyard birds in New Hampshire

Northern CardinalEastern BluebirdBlack-capped ChickadeePurple MartinDowny WoodpeckerHairy WoodpeckerAmerican GoldfinchTufted TitmouseWhite-breasted NuthatchHouse WrenHouse FinchPurple FinchRuby-throated HummingbirdMourning DoveAmerican RobinDark-eyed JuncoWhite-throated SparrowSong SparrowChipping SparrowNorthern FlickerPileated WoodpeckerYellow-bellied SapsuckerRed-breasted NuthatchBrown CreeperCommon GrackleRed-winged BlackbirdBaltimore OrioleRose-breasted GrosbeakEvening GrosbeakPine SiskinCommon RedpollIndigo BuntingEastern TowheeGray CatbirdBrown ThrasherCedar WaxwingTree SwallowBarn SwallowEastern PhoebeChimney SwiftYellow-rumped WarblerPine WarblerEastern Screech-OwlWood ThrushGreat Crested FlycatcherEastern KingbirdAmerican Tree SparrowHouse SparrowEuropean StarlingCanada JayAmerican CrowCommon RavenCooper's HawkSharp-shinned HawkRed-tailed HawkBarred OwlAmerican KestrelWood DuckWild TurkeyMallardGreat Blue HeronBelted KingfisherScarlet TanagerEastern MeadowlarkBrown-headed CowbirdGolden-crowned KingletHermit ThrushWinter WrenPine GrosbeakRed CrossbillField SparrowGray CatbirdLark SparrowHooded MerganserYellow WarblerCommon YellowthroatAmerican RedstartBlack-and-white WarblerOvenbirdRed-eyed VireoWarbling VireoEastern Wood-PeweeLeast FlycatcherCliff SwallowNorthern Rough-winged SwallowBank SwallowCommon NighthawkEastern Whip-poor-willCanada GooseAmerican CootKilldeerSpotted SandpiperAmerican WoodcockGreen HeronGreat EgretBlack-crowned Night HeronTurkey VultureOspreyBald EagleRed-shouldered HawkMerlinPeregrine FalconNorthern Saw-whet OwlBlack-backed WoodpeckerSavannah SparrowSwamp SparrowVesper SparrowSnow BuntingHorned LarkCommon RedpollHoary RedpollWhite-winged CrossbillBohemian WaxwingYellow-billed CuckooBobolinkRusty BlackbirdRock Pigeon

Sources

  1. Great Horned Owl — All About Birds, Cornell Lab of Ornithology
  2. Great Horned Owl life history — Cornell Lab of Ornithology
  3. Great Horned Owl — Audubon Guide to North American Birds
  4. eBird region overview and bar charts — New Hampshire
  5. USDA Plant Hardiness Zone Map (2023)
  6. 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.