Mallards in Delaware
When mallards are present in Delaware, when they nest, which native Delaware plants feed them, and how to host them in a USDA 7a–8a yard.
- Status in Delaware
- Year-round resident
- Nesting window
- March–June
- Broods
- 1 per season
- Hardiness zones
- USDA 7a–8a
When to expect mallards in Delaware
Mallards live in Delaware all year. Mild winters with modest snow; coastal marshes draw huge numbers of wintering sparrows and blackbirds. That makes the cold months the time your yard matters most to them.
Humid subtropical to temperate coastal plain between Delaware Bay and the Atlantic.
Nesting in Delaware
Across Delaware, mallards typically nest from March–June. Plan around that window: February for setup, June for clean-out.
Hot, humid summers; bay-shore woodlots are important migrant stopovers in May.
- Mallards don't use nest boxes. Keep dense native shrubs and trees such as sugar maple, red maple for nest sites.
- Delay heavy pruning of shrubs until after June.
Native Delaware plants that attract mallards
Of the regional native plants we track for Delaware, these 7 provide food or cover mallards use:
Tubular flowers for hummingbirds and seed heads for finches.
Prolific seed heads for finches and sparrows.
Late nectar for insects and fall seed for sparrows.
Native bunchgrass; winter seed and ground cover for sparrows and juncos.
Insect-rich in fall and seed in winter.
Hosts hundreds of caterpillar species; spring flowers draw early insects.
Among the first spring bloomers; early insects for returning migrants.
Feeding mallards through the Delaware year
- Top foods: Cracked corn, Duck pellets.
- In Delaware's winter: Mild winters with modest snow; coastal marshes draw huge numbers of wintering sparrows and blackbirds.
Frequently asked
Are mallards in Delaware year-round?
Yes. Mallards are year-round residents in Delaware.
When do mallards nest in Delaware?
Nesting in Delaware typically runs March–June, with 1 per season. Clutches are 1–13 eggs, incubated for 23–30 days.
What native plants attract mallards in Delaware?
Wild bergamot, Black-eyed Susan, New England aster, Little bluestem, Tall goldenrod, Sugar maple, Red maple are native plants in Delaware that provide food or cover for mallards.
Mallards in other regions
Other backyard birds in Delaware
Sources
- Mallard — All About Birds, Cornell Lab of Ornithology
- Mallard life history — Cornell Lab of Ornithology
- Mallard — Audubon Guide to North American Birds
- eBird region overview and bar charts — Delaware
- 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.