Winter Wrens in Ontario
When winter wrens 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
- May–July
- Broods
- 1–2 per season
- Hardiness zones
- Canadian zones 0a–7a (southern Ontario roughly equivalent to USDA 4–6)
When to expect winter wrens in Ontario
Winter Wrens are summer residents in Ontario, arriving shortly before nesting begins in May and leaving after the young are independent.
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, winter wrens typically nest from May–July. Plan around that window: April for setup, July for clean-out.
Short, warm summers; Point Pelee and Long Point are continent-famous migration sites.
- Winter Wrens don't use nest boxes. Keep dense native shrubs and trees such as sugar maple, flowering dogwood, serviceberry for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Ontario plants that attract winter wrens
Of the regional native plants we track for Ontario, these 8 provide food or cover winter wrens use:
Insects, seeds and cavities.
Fat-rich red fall fruit taken by thrushes, bluebirds and woodpeckers.
Early-summer berries arrive exactly when nestlings are being fed.
Acorns plus hundreds of caterpillar species for nestling food.
Drought-hardy prairie oak with large acorns and a heavy insect load.
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.
Feeding winter wrens through the Ontario year
- Top foods: Suet crumbs, Mealworms.
- In Ontario's summer: offer water and insect foods; natural food is abundant.
Full diet breakdown for winter wrens · Best feeder for winter wrens
Frequently asked
Are winter wrens in Ontario year-round?
No. Winter Wrens are summer breeders in Ontario and leave for the winter.
When do winter wrens nest in Ontario?
Nesting in Ontario typically runs May–July, with 1–2 per season. Clutches are 4–9 eggs, incubated for 14–16 days.
What native plants attract winter wrens in Ontario?
Sugar maple, Flowering dogwood, Serviceberry, White oak, Bur oak, Black cherry, American elderberry, Arrowwood viburnum are native plants in Ontario that provide food or cover for winter wrens.
Winter Wrens in other regions
Other backyard birds in Ontario
Sources
- Winter Wren — All About Birds, Cornell Lab of Ornithology
- Winter Wren life history — Cornell Lab of Ornithology
- Winter Wren — 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.