Crampbark
Viburnum opulus
Last reviewed: June 2026
Light
part shade
Water
medium
Size
72"–144" H × 72"–144" W
Bloom
May, Jun
Native to
SD
Pollinators
bees, beetles
Browse plants for this ecoregion
Crampbark is a large deciduous shrub that produces showy white flower clusters in late spring. This European viburnum grows into a substantial specimen that can reach 12 feet tall and wide at maturity. It offers three-season interest with spring blooms, summer foliage, and red berries that ripen to black in fall.
In an HOA neighborhood
Crampbark is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- Large mature size requires adequate space planning
Wildlife value
Host plant for spring azure butterfly.
The flat-topped flower clusters attract bees and beneficial beetles during the May to June bloom period. Birds feed on the colorful berries in late summer and fall.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Crampbark fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.