Rose-breasted Grosbeaks in Illinois
When rose-breasted grosbeaks are present in Illinois, when they nest, which native Illinois plants feed them, and how to host them in a USDA 5a–7b yard.
- Status in Illinois
- Summer breeder
- Nesting window
- May–July
- Broods
- 1–2 per season
- Hardiness zones
- USDA 5a–7b
When to expect rose-breasted grosbeaks in Illinois
Rose-breasted Grosbeaks are summer residents in Illinois, arriving shortly before nesting begins in May and leaving after the young are independent. Through the season they feed on beetles, caterpillars and bees.
Humid continental, grading from the Lake Michigan shore and prairie north to the forested Shawnee Hills in the south.
Nesting in Illinois
Across Illinois, rose-breasted grosbeaks typically nest from May–July. Nest site: flimsy twig cup in deciduous trees 5–15 ft up. Females lay 1–5 eggs, incubate for 11–14 days, and young leave the nest after 9–12 days.
Hot, humid summers; much of the state is farmland, so backyard native plantings matter.
- Rose-breasted Grosbeaks don't use nest boxes. Keep dense native shrubs and trees such as flowering dogwood, eastern red cedar, serviceberry for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Illinois plants that attract rose-breasted grosbeaks
Of the regional native plants we track for Illinois, these 8 provide food or cover rose-breasted grosbeaks use:
Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.
Dense evergreen roost cover and bluish 'berries' eaten through winter.
Early-summer berries arrive exactly when nestlings are being fed.
Deciduous holly holding red fruit into mid-winter.
Fruit clusters persist all winter as emergency food.
Red fruit heads hang on through winter.
Acorns plus hundreds of caterpillar species for nestling food.
Drought-hardy prairie oak with large acorns and a heavy insect load.
Feeding rose-breasted grosbeaks through the Illinois year
A brief spring feeder visitor in the south; stays to nest in northern deciduous woods.
- Best foods: Black-oil sunflower, Safflower.
- In Illinois's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for rose-breasted grosbeaks · Best feeder for rose-breasted grosbeaks
Frequently asked
Are rose-breasted grosbeaks in Illinois year-round?
No. Rose-breasted Grosbeaks are summer breeders in Illinois and leave for the winter.
When do rose-breasted grosbeaks nest in Illinois?
Nesting in Illinois typically runs May–July, with 1–2 per season. Clutches are 1–5 eggs, incubated for 11–14 days.
What native plants attract rose-breasted grosbeaks in Illinois?
Flowering dogwood, Eastern red cedar, Serviceberry, Winterberry, Staghorn sumac, Smooth sumac, White oak, Bur oak are native plants in Illinois that provide food or cover for rose-breasted grosbeaks.
Rose-breasted Grosbeaks in other regions
Other backyard birds in Illinois
Sources
- Rose-breasted Grosbeak — All About Birds, Cornell Lab of Ornithology
- Rose-breasted Grosbeak life history — Cornell Lab of Ornithology
- Rose-breasted Grosbeak — Audubon Guide to North American Birds
- eBird region overview and bar charts — Illinois
- 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.