Skip to main content

Sevenbark

Hydrangea arborescens

Last reviewed: June 2026

Sevenbark (Hydrangea arborescens)
Photo: tkr421 / Wikimedia Commons (CC BY 4.0)

Sevenbark is toxic to dogs and cats.

Listed as toxic by the ASPCA Animal Poison Control Center (last reviewed 2026-05-21). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435and your veterinarian's emergency line.

Pollinator Patch flags toxic plants so you can choose a pet-safe native alternative for your yard.

Light

part shade

Water

medium

Size

36"–72" H × 36"–72" W

Bloom

Jun, Jul, Aug

Native to

AL, AR, DE, FL and 19 more states

Pollinators

bees, butterflies, beetles

Browse plants for this ecoregion

Sevenbark is a native deciduous shrub that produces clusters of white flowers from June through August. It has attractive exfoliating bark and grows in a rounded form, making it suitable for foundation plantings and mixed borders.

In an HOA neighborhood

Sevenbark is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, mid zone.

  • May appear sparse in winter without leaves

Wildlife value

Host plant for brown hooded owlet moth, hydrangea sphinx moth.

The summer blooms attract bees, butterflies, and beetles, providing nectar during peak growing season. Birds may use the dense branching structure for nesting cover.

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.

Pollinator Patch flags toxic plants like Sevenbark and shows pet-safe natives for your ecoregion instead.