Winterberry

Appalachian-Blue Ridge forests

Arizona Mountains forests

Atlantic coastal pine barrens

Blue Mountains forests

Central Pacific Northwest coastal forests

Central Tallgrass prairie

Central-Southern Cascades Forests

Chilean Matorral

Colorado Rockies forests

A fast, suckering native shrub of streambanks and moist thickets across eastern North America, grown for huge flat-topped cymes of tiny lemon-scented white flowers in early summer and the clusters of dark elderberry drupes that follow. Spreads by root suckers into naturalized colonies 5 to 12 feet tall and wide; the flowers feed butterflies and the showy fruit feeds birds. The raw berries are not eaten fresh - they are cooked into jelly, pie, and wine.

Pollination

Dioecious - needs male pollinizer

Dioecious - winterberry has separate male and female plants, and only the female plants produce the bright red berries the plant is grown for. Every group of female plants needs a male pollinizer within 50 feet (bee-flight distance) with matching bloom time. Match early-blooming female cultivars (like 'Red Sprite') with early males (like 'Jim Dandy'), and late-blooming females (like 'Winter Red') with late males (like 'Southern Gentleman'). Without a male pollinizer in range - or if the male and female bloom windows do not overlap - the female plants flower but set no berries. The species pages do not assign a fixed bloom-time window because individual cultivars span early through late.

Compatible pollinizers

'Jim Dandy' (early male), 'Southern Gentleman' (late male)

Within

50 feet of a partner

Planting ratio

one male per 10-20 females

Bloom timing

Partner bloom-time matching: required

Plants don't grow alone

Pollinates

Bee

Common eastern bumblebee (Bombus impatiens)

Spring native bees pollinate the inconspicuous flowers on female plants; without bee pollination, the iconic red berries do not develop.

Fruit forage

Bird

Eastern bluebird (Sialia sialis)

Fruit forage

Bird

American robin (Turdus migratorius)

Fruit forage

Bird

Cedar waxwing (Bombycilla cedrorum)

Cedar waxwings and other songbirds tolerate the saponins that make winterberry drupes toxic to mammals; the bright red berries persist on bare branches through winter as critical late-season bird food.

Fruit forage

Bird

Eastern songbirds (multi-species) (multiple species (Passeriformes))

Robins, mockingbirds, and other passerines feed on winterberry through winter when other food is scarce.

For people

Toxic - do not consume

The bright red drupes that make winterberry famous as a winter-interest plant are toxic to humans - they contain saponins, theobromine, and other compounds that cause vomiting, diarrhea, and depression when eaten. Severity is generally moderate and rarely life-threatening for adults, but small children who eat several berries (mistaken for edible berries) can become significantly ill, and pets are at meaningful risk.

Toxic parts

fruit, leaves, bark, seeds

Pet toxicity

ASPCA lists holly (Ilex) as toxic to dogs, cats, and horses. Berries are the most likely ingestion route - they are bright red, easy to pluck, and persist on bare branches through the winter when other food is scarce. Plant out of reach of pets, particularly in winter when foraging pressure is highest.

Lookalike warning

Winterberry holly drupes can be visually confused with edible red fruits like cranberry, lingonberry, or hawthorn - they are NOT interchangeable. Holly berries should always be assumed toxic unless positively identified as something else.

Similar plants

Browse lateral options with similar roles, light needs, size, or native-range overlap; these are not filtered for a better climate fit.

Sambucus canadensis

American elderberry

A native evergreen shrub of the eastern North American Appalachian + Piedmont understory producing extraordinary spring clusters of pink-to-white cup-shaped flowers with a unique spring-loaded pollination mechanism (anthers held under tension, triggered by visiting pollinators). State flower of Connecticut + Pennsylvania. Critically: NC State explicitly flags Kalmia as having HIGH-SEVERITY poison characteristics - all plant parts toxic to humans, dogs, cats, horses, and livestock; even honey from mountain-laurel nectar can poison humans ("mad honey").

A small native tree with white spring flowers, edible summer berries, and copper to red fall color.

Amelanchier canadensis

Canadian serviceberry

A native deciduous willow of northern North America famous for the silky, silvery catkins - the "pussies" - that swell on bare stems in late winter, often while snow is still on the ground. Usually grown as a large multi-stemmed shrub 6 to 15 feet tall, it thrives in moist to wet soils and tolerates drier ground better than most willows. Dioecious (separate male and female plants), it is one of the earliest pollen and nectar sources of the year and a documented host for a wide range of native bees and Lepidoptera.

A four-season native shrub of the southeastern United States, where NC State Extension notes it grows wild in moist woods and along stream banks. It is an upright, multi-stemmed deciduous shrub, slow-growing to roughly 4 to 8 feet tall and 4 to 10 feet wide, named for its large, oak-shaped, lobed dark-green leaves. Showy pyramidal 4-12 inch panicles of creamy-white flowers open from late spring into summer and fade to pink and then tan, while the bold foliage turns wine, orange, and mahogany in fall over peeling cinnamon bark. Easy and low-maintenance in organically rich, well-drained soil, it is grown as a specimen, in masses, or as an informal hedge.

Hydrangea quercifolia

Oakleaf hydrangea

A medium-to-large native shade tree of central and eastern North America, reaching 50 to 80 feet with an ovate-rounded crown and large, asymmetric heart-shaped leaves. In June it carries pale-yellow, intensely fragrant flowers on pendulous cymes - each cluster hung from a distinctive strap-like leafy bract - that ripen into pea-sized nutlets. The fragrant June bloom is a premier nectar source: Missouri Botanical Garden lists it as attracting bees and butterflies, and the Lady Bird Johnson Wildflower Center flags it as having special value to both native and honey bees.

Full sun / Part shade

Tree