Buttonbush (Cephalanthes occidentalis), aka honeybells, pond dogwood, and swampwood, is a highly prized native shrub. Yes, in small landscapes, buttonbush tend to grow big @ 6-12 feet tall and wide. Their fragrant white orbital blooms are uniquely out of this world. Botanical member of the Rubiaceae (USDA hardiness zones 5-9), flowers appear from spring to fall.

Buttonbush is a fast-growing hardy deciduous shrub. For best results plant buttonbush in moist humus-rich soils in full sun to partial shade. Nature has created this unusual out of this world white, spiky flowers with fragrant aroma. Buttonbush grows best in wetlands or near rivers and is often utilized for erosion prevention. The shrub requires full sun but may tolerate some shade.
Buttonbush needs consistently moist to wet, rich soils in standing water up to 3 feet. It is adaptable to various soil types, except for dry ones, and is tolerant of heat and soil compaction. Flowering is poor in the shade or in dry ground. It is multi-stemmed with a rounded to irregular crown and needs little pruning.
Seedling buttonbush is usually grown as a 6-12 feet tall and 8 feet wide shrub. Occasionally, you may see it trained into a 20 feet tall shrub. Small, fragrant, white, tubular flowers appear in June to September. Fruits turn reddish-brown in late summer and persist into winter. Buttonbush has exceptional wildlife benefits, attracts a variety of pollinators to gardens, along with waterfowl, songbirds and mammals. The foliage of buttonbush is toxic to humans. Browsing by deer is generally uncommon.
Buttonbush is available via on-line nurseries in spring and rarely sold at local garden centers. However, dwarf cultivars are entering the garden marketplace which should increase the shrub’s popularity.

Buttonbush thrives in 6-8 hours of sun along with moist humus-rich soil. Plant buttonbush in soil that is neutral to slightly acidic pH of 6.8 to 7.2 and avoid alkaline soils. Feed with a slow-release fertilizer like Osmocote in spring.
New compact forms are great options for smaller gardens, rain gardens, and foundation beds where scale matters. ‘Sugar Shack’ buttonbush was selected as the 2023 North Carolina Wildflower of the Year and was awarded the Pennsylvania Horticulture Society Gold Medal Shrub in 2024.
Current Popular Varieties:
- ‘Bailoptics’ a small variety only reaching about 6 feet high and wide.
- ‘Bieberich’ – grows up to 12-15 feet high and wide; pale pink or pinkish-white blooms rather than the usual white flowers; bronze leaf color in fall.
- ‘Sugar Shack’ – dwarf dense foliage shrub that grows up to 5 feet high and wide; burgundy fall foliage and red fruit in winter.
- ‘Sugar Shack 2.0 – compact 3-4 feet tall and wide its spherical white blooms, resulting round seeds (nutlets); fabulous fall color of both nutlets and foliage.































