Butterfly Bush

Buddleia davidii

Scrophulariaceae · broadleaf deciduous shrub · introduced

Last updated March 9, 2026

Data Coverage 2 of 6 dimensions

Site Data

Threats

Cultivars

Phenology

GDD Thresholds

Puget Sound

Quick Facts

Height

8–12 ft

Spread

9 ft

Growth Rate

Fast

Light

Full Sun

Soil

Moist

Water

Moderate

Hardiness

Zone Zones 5a–8b

Origin

China