Black-headed Grosbeaks in Idaho
When black-headed grosbeaks are present in Idaho, when they nest, which native Idaho plants feed them, and how to host them in a USDA 3b–7b yard.
- Status in Idaho
- Summer breeder
- Nesting window
- May–July
- Broods
- 1 per season
- Hardiness zones
- USDA 3b–7b
When to expect black-headed grosbeaks in Idaho
Black-headed Grosbeaks are summer residents in Idaho, arriving shortly before nesting begins in May and leaving after the young are independent. Through the season they feed on beetles and caterpillars.
Semi-arid sagebrush plains along the Snake River and forested mountains to the north and center.
Nesting in Idaho
Across Idaho, black-headed grosbeaks typically nest from May–July. Nest site: loose twig cup in dense trees. Females lay 2–5 eggs, incubate for 12–14 days, and young leave the nest after 11–12 days.
Hot, dry summers in the Snake River Plain and cool mountain summers.
- Black-headed Grosbeaks don't use nest boxes. Keep dense native shrubs and trees such as smooth sumac, paper birch, chokecherry for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Idaho plants that attract black-headed grosbeaks
Of the regional native plants we track for Idaho, these 8 provide food or cover black-headed grosbeaks use:
Red fruit heads hang on through winter.
Tubular flowers for hummingbirds and seed heads for finches.
Prolific seed heads for finches and sparrows.
Annual native sunflower — the original feeder seed.
Native bunchgrass; winter seed and ground cover for sparrows and juncos.
Insect-rich in fall and seed in winter.
Catkin seed feeds redpolls and siskins all winter.
Dark summer fruit and heavy caterpillar load.
Feeding black-headed grosbeaks through the Idaho year
One of few birds that eats monarch butterflies; a summer feeder regular in the West.
- Best foods: Sunflower.
- In Idaho's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for black-headed grosbeaks · Best feeder for black-headed grosbeaks
Frequently asked
Are black-headed grosbeaks in Idaho year-round?
No. Black-headed Grosbeaks are summer breeders in Idaho and leave for the winter.
When do black-headed grosbeaks nest in Idaho?
Nesting in Idaho typically runs May–July, with 1 per season. Clutches are 2–5 eggs, incubated for 12–14 days.
What native plants attract black-headed grosbeaks in Idaho?
Smooth sumac, Wild bergamot, Black-eyed Susan, Common sunflower, Little bluestem, Tall goldenrod, Paper birch, Chokecherry are native plants in Idaho that provide food or cover for black-headed grosbeaks.
Black-headed Grosbeaks in other regions
Other backyard birds in Idaho
Sources
- Black-headed Grosbeak — All About Birds, Cornell Lab of Ornithology
- Black-headed Grosbeak life history — Cornell Lab of Ornithology
- Black-headed Grosbeak — Audubon Guide to North American Birds
- eBird region overview and bar charts — Idaho
- 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.