Rose-breasted Grosbeaks in Ontario
When rose-breasted grosbeaks are present in Ontario, when they nest, which native Ontario plants feed them, and how to host them in a Canadian zones 0a–7a yard.
- Status in Ontario
- Summer breeder
- Nesting window
- June–July
- Broods
- 1–2 per season
- Hardiness zones
- Canadian zones 0a–7a (southern Ontario roughly equivalent to USDA 4–6)
When to expect rose-breasted grosbeaks in Ontario
Rose-breasted Grosbeaks are summer residents in Ontario, arriving shortly before nesting begins in June and leaving after the young are independent. Through the season they feed on beetles, caterpillars and bees.
Humid continental in the south, boreal and subarctic in the north; most backyard birding happens in the southern Great Lakes lowlands.
Nesting in Ontario
Across Ontario, rose-breasted grosbeaks typically nest from June–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.
Short, warm summers; Point Pelee and Long Point are continent-famous migration sites.
- Rose-breasted Grosbeaks don't use nest boxes. Keep dense native shrubs and trees such as red-osier dogwood, sugar maple, flowering dogwood for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Ontario plants that attract rose-breasted grosbeaks
Of the regional native plants we track for Ontario, these 8 provide food or cover rose-breasted grosbeaks use:
Fruit and cover.
Insects, seeds and cavities.
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.
Feeding rose-breasted grosbeaks through the Ontario year
A brief spring feeder visitor in the south; stays to nest in northern deciduous woods.
- Best foods: Black-oil sunflower, Safflower.
- In Ontario'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 Ontario year-round?
No. Rose-breasted Grosbeaks are summer breeders in Ontario and leave for the winter.
When do rose-breasted grosbeaks nest in Ontario?
Nesting in Ontario typically runs June–July, with 1–2 per season. Clutches are 1–5 eggs, incubated for 11–14 days.
What native plants attract rose-breasted grosbeaks in Ontario?
Red-osier dogwood, Sugar maple, Flowering dogwood, Eastern red cedar, Serviceberry, Winterberry, Staghorn sumac, Smooth sumac are native plants in Ontario that provide food or cover for rose-breasted grosbeaks.
Rose-breasted Grosbeaks in other regions
Other backyard birds in Ontario
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 — Ontario
- Plant Hardiness Zones of Canada — Natural Resources Canada
- Audubon Native Plants Database
- Ontario Breeding Bird Atlas — Birds Canada
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.