Northern Rough-winged Swallows in New Hampshire
When northern rough-winged swallows 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.
- Status in New Hampshire
- Summer breeder
- Nesting window
- May–July
- Broods
- 1–2 per season
- Hardiness zones
- USDA 3b–6a
When to expect northern rough-winged swallows in New Hampshire
Northern Rough-winged Swallows are summer residents in New Hampshire, arriving shortly before nesting begins in May and leaving after the young are independent.
Humid continental, with the White Mountains dividing the southern lowlands from northern forest.
Nesting in New Hampshire
Across New Hampshire, northern rough-winged swallows typically nest from May–July. Plan around that window: April for setup, July for clean-out.
Mild summers; nesting starts late May.
- Northern Rough-winged Swallows 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 July.
Native New Hampshire plants that attract northern rough-winged swallows
Of the regional native plants we track for New Hampshire, these 8 provide food or cover northern rough-winged swallows use:
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.
Insect-rich in fall and seed in winter.
Feeding northern rough-winged swallows through the New Hampshire year
- Top foods: None — open water and earth banks are the draw.
- In New Hampshire's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for northern rough-winged swallows · Best feeder for northern rough-winged swallows
Frequently asked
Are northern rough-winged swallows in New Hampshire year-round?
No. Northern Rough-winged Swallows are summer breeders in New Hampshire and leave for the winter.
When do northern rough-winged swallows nest in New Hampshire?
Nesting in New Hampshire typically runs May–July, with 1–2 per season. Clutches are 4–8 eggs, incubated for 12–16 days.
What native plants attract northern rough-winged swallows 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 northern rough-winged swallows.
Northern Rough-winged Swallows in other regions
Other backyard birds in New Hampshire
Sources
- Northern Rough-winged Swallow — All About Birds, Cornell Lab of Ornithology
- Northern Rough-winged Swallow life history — Cornell Lab of Ornithology
- Northern Rough-winged Swallow — Audubon Guide to North American Birds
- eBird region overview and bar charts — New Hampshire
- 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.