Green Herons in New Hampshire
When green herons 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 green herons in New Hampshire
Green Herons 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, green herons typically nest from May–July. Plan around that window: April for setup, July for clean-out.
Mild summers; nesting starts late May.
- Green Herons 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 green herons
Of the regional native plants we track for New Hampshire, these 8 provide food or cover green herons 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 green herons through the New Hampshire year
- Top foods: None — a fish-bearing pond is the draw.
- In New Hampshire's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for green herons · Best feeder for green herons
Frequently asked
Are green herons in New Hampshire year-round?
No. Green Herons are summer breeders in New Hampshire and leave for the winter.
When do green herons nest in New Hampshire?
Nesting in New Hampshire typically runs May–July, with 1–2 per season. Clutches are 2–6 eggs, incubated for 19–21 days.
What native plants attract green herons 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 green herons.
Green Herons in other regions
Other backyard birds in New Hampshire
Sources
- Green Heron — All About Birds, Cornell Lab of Ornithology
- Green Heron life history — Cornell Lab of Ornithology
- Green Heron — 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.