Great-tailed Grackles in California
When great-tailed grackles are present in California, when they nest, which native California plants feed them, and how to host them in a USDA 5a–11a yard.
- Status in California
- Year-round resident
- Nesting window
- February–July
- Broods
- 1–2 per season
- Hardiness zones
- USDA 5a–11a
When to expect great-tailed grackles in California
Great-tailed Grackles live in California all year. Wet, mild winters are the green season — the busiest time at coastal feeders as sparrows and hummingbirds settle in. That makes the cold months the time your yard matters most to them.
Mediterranean along the coast and Central Valley, alpine in the Sierra Nevada, and desert in the southeast.
Nesting in California
Across California, great-tailed grackles typically nest from February–July. Plan around that window: January for setup, July for clean-out.
Dry summers with little rain from May to October; water and summer-blooming natives matter more than extra seed.
- Great-tailed Grackles don't use nest boxes. Keep dense native shrubs and trees such as chokecherry, ponderosa pine, rabbitbrush for nest sites.
- Delay heavy pruning of shrubs until after July.
Native California plants that attract great-tailed grackles
Of the regional native plants we track for California, these 8 provide food or cover great-tailed grackles use:
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.
Dark summer fruit and heavy caterpillar load.
Seeds and bark insects; pygmy nuthatch and woodpecker habitat.
Late-season bloom supports insects; seed for sparrows.
Feeding great-tailed grackles through the California year
- Top foods: Cracked corn, Mixed seed.
- In California's winter: Wet, mild winters are the green season — the busiest time at coastal feeders as sparrows and hummingbirds settle in.
Full diet breakdown for great-tailed grackles · Best feeder for great-tailed grackles
Frequently asked
Are great-tailed grackles in California year-round?
Yes. Great-tailed Grackles are year-round residents in California.
When do great-tailed grackles nest in California?
Nesting in California typically runs February–July, with 1–2 per season. Clutches are 1–5 eggs, incubated for 13–14 days.
What native plants attract great-tailed grackles in California?
Wild bergamot, Black-eyed Susan, Common sunflower, Little bluestem, Tall goldenrod, Chokecherry, Ponderosa pine, Rabbitbrush are native plants in California that provide food or cover for great-tailed grackles.
Great-tailed Grackles in other regions
Other backyard birds in California
Sources
- Great-tailed Grackle — All About Birds, Cornell Lab of Ornithology
- Great-tailed Grackle life history — Cornell Lab of Ornithology
- Great-tailed Grackle — Audubon Guide to North American Birds
- eBird region overview and bar charts — California
- 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.