Chimney Swifts in Missouri
When chimney swifts are present in Missouri, when they nest, which native Missouri plants feed them, and how to host them in a USDA 5b–7b yard.
- Status in Missouri
- Summer breeder
- Nesting window
- May–July
- Broods
- 1 per season
- Hardiness zones
- USDA 5b–7b
When to expect chimney swifts in Missouri
Chimney Swifts are summer residents in Missouri, arriving shortly before nesting begins in May and leaving after the young are independent. Through the season they feed on flies, beetles, ants and aphids in flight.
Humid continental, from the Ozark Plateau in the south to prairie and river floodplains in the north.
Nesting in Missouri
Across Missouri, chimney swifts typically nest from May–July. Nest site: half-cup of twigs glued with saliva inside chimneys. Females lay 4–5 eggs, incubate for 16–21 days, and young leave the nest after 28–30 days.
Hot, humid summers.
- Chimney Swifts don't use nest boxes. Keep dense native shrubs and trees such as flowering dogwood, serviceberry, white oak for nest sites.
- Delay heavy pruning of shrubs until after July.
Native Missouri plants that attract chimney swifts
Of the regional native plants we track for Missouri, these 8 provide food or cover chimney swifts use:
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.
Lipid-rich red fruit fuels fall migrants.
Late nectar for insects and fall seed for sparrows.
Feeding chimney swifts through the Missouri year
Leave an uncapped masonry chimney open April–October, or build a swift tower; populations have fallen by roughly two-thirds since 1966.
- Best foods: .
- In Missouri's summer: offer water and insect foods; natural food is abundant.
Frequently asked
Are chimney swifts in Missouri year-round?
No. Chimney Swifts are summer breeders in Missouri and leave for the winter.
When do chimney swifts nest in Missouri?
Nesting in Missouri typically runs May–July, with 1 per season. Clutches are 4–5 eggs, incubated for 16–21 days.
What native plants attract chimney swifts in Missouri?
Flowering dogwood, Serviceberry, White oak, Bur oak, Black cherry, American elderberry, Spicebush, New England aster are native plants in Missouri that provide food or cover for chimney swifts.
Chimney Swifts in other regions
Other backyard birds in Missouri
Sources
- Chimney Swift — All About Birds, Cornell Lab of Ornithology
- Chimney Swift life history — Cornell Lab of Ornithology
- Chimney Swift — Audubon Guide to North American Birds
- eBird region overview and bar charts — Missouri
- 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.