Oklahoma · Year-round resident

Common Grackles in Oklahoma

When grackles are present in Oklahoma, when they nest, which native Oklahoma plants feed them, and how to host them in a USDA 6a–8a yard.

Blackbirds (Icteridae)Common GrackleQuiscalus quiscula

Status in Oklahoma: Year-round resident
Nesting window: April–June
Broods: 1–2 per season
Hardiness zones: USDA 6a–8a

When to expect grackles in Oklahoma

Common Grackles live in Oklahoma all year. Mild winters with occasional severe ice storms. That makes the cold months the time your yard matters most to them: their winter diet shifts toward waste grain and acorns.

Humid in the forested east, semi-arid in the western plains and Panhandle.

Nesting in Oklahoma

Across Oklahoma, grackles typically nest from April–June. Nest site: bulky cup in dense conifers, often in loose colonies. Females lay 4–6 eggs, incubate for 13–14 days, and young leave the nest after 12–15 days.

Hot summers with strong winds; water is especially valuable in the west.

Common Grackles don't use nest boxes. Keep dense native shrubs and trees such as white oak, bur oak for nest sites.
Delay heavy pruning of shrubs until after June.

Native Oklahoma plants that attract grackles

Of the regional native plants we track for Oklahoma, these 8 provide food or cover grackles use:

White oak

Quercus alba · Tree

Acorns plus hundreds of caterpillar species for nestling food.

Bur oak

Quercus macrocarpa · Tree

Drought-hardy prairie oak with large acorns and a heavy insect load.

Wild bergamot

Monarda fistulosa · Perennial

Tubular flowers for hummingbirds and seed heads for finches.

Purple coneflower

Echinacea purpurea · Perennial

Leave seed heads up through winter for goldfinches.

Black-eyed Susan

Rudbeckia hirta · Perennial

Prolific seed heads for finches and sparrows.

Common sunflower

Helianthus annuus · Perennial

Annual native sunflower — the original feeder seed.

New England aster

Symphyotrichum novae-angliae · Perennial

Late nectar for insects and fall seed for sparrows.

Little bluestem

Schizachyrium scoparium · Perennial

Native bunchgrass; winter seed and ground cover for sparrows and juncos.

Feeding grackles through the Oklahoma year

Grackles arrive in flocks and can dominate open feeders; weight-activated and caged feeders help keep smaller birds fed.

Best foods: Cracked corn, Sunflower.
In Oklahoma's winter: Mild winters with occasional severe ice storms.

Full diet breakdown for grackles · Best feeder for grackles

Frequently asked

Are grackles in Oklahoma year-round?

Yes. Common Grackles are year-round residents in Oklahoma.

When do grackles nest in Oklahoma?

Nesting in Oklahoma typically runs April–June, with 1–2 per season. Clutches are 4–6 eggs, incubated for 13–14 days.

What native plants attract grackles in Oklahoma?

White oak, Bur oak, Wild bergamot, Purple coneflower, Black-eyed Susan, Common sunflower, New England aster, Little bluestem are native plants in Oklahoma that provide food or cover for grackles.

Other backyard birds in Oklahoma

Northern Cardinal Eastern Bluebird Carolina Chickadee Purple Martin Downy Woodpecker Hairy Woodpecker American Goldfinch Tufted Titmouse White-breasted Nuthatch House Wren Blue Jay House Finch Purple Finch Ruby-throated Hummingbird Carolina Wren Mourning Dove American Robin Dark-eyed Junco White-throated Sparrow Song Sparrow Chipping Sparrow Red-bellied Woodpecker Northern Flicker Pileated Woodpecker Red-headed Woodpecker Yellow-bellied Sapsucker Red-breasted Nuthatch Brown-headed Nuthatch Brown Creeper Red-winged Blackbird Baltimore Oriole Orchard Oriole Pine Siskin Indigo Bunting Painted Bunting Eastern Towhee Gray Catbird Northern Mockingbird Brown Thrasher Cedar Waxwing Tree Swallow Barn Swallow Eastern Phoebe Chimney Swift Yellow-rumped Warbler Pine Warbler Eastern Screech-Owl Wood Thrush Great Crested Flycatcher Eastern Kingbird American Tree Sparrow House Sparrow European Starling Woodhouse's Scrub-Jay Bushtit Juniper Titmouse Black-crested Titmouse Black-chinned Hummingbird Lesser Goldfinch Spotted Towhee Canyon Towhee Mountain Bluebird Say's Phoebe Ladder-backed Woodpecker Curve-billed Thrasher Bewick's Wren White-crowned Sparrow Fox Sparrow Bullock's Oriole Eurasian Collared-Dove

Sources

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.