Cephalanthus occidentalis
Plate — illustration to come
Native · New Jersey

Buttonbush

Cephalanthus occidentalis

Shrub

The pom-pom shrub. Perfectly spherical white flower heads — like small sputniks or crystal ornaments — open all summer long, held above dark glossy leaves. One of the few natives that thrives in true standing water.

At a glance

The spec sheet.

Habitat
Wetlands, pond margins, floodplains, ditches
Bloom time
June – August
Sun
Full sun to part sun
Soil
Rich, tolerates wet to saturated soil and standing water
Moisture
Wet to boggy
Height
3–8 feet
For the wildlife

What it attracts.

The species that visit, feed on, or depend on this plant — and how they use it.

  • Bumblebees & native bees

    Nectar source

  • Butterflies (many species)

    Nectar source

    Long summer bloom fills a mid-season nectar gap

  • Ducks & waterfowl

    Fruit / seed source

    Seeds are a documented food source for wood ducks and mallards

  • Hummingbirds

    Nectar source

Notes on growing

Perfect for a rain garden, pond edge, or the low corner that always puddles. Cut hard in early spring to control size — it regrows vigorously. Deer-resistant.

Sources

Xerces Society · Jersey-Friendly Yards · Native Plant Society of NJ