Greenstem Forsythia
Forsythia viridissima
Oleaceae · broadleaf deciduous shrub · introduced
Last updated
Quick Facts
Height
10 ft
Spread
6-10 ft
Growth Rate
Slow
Light
Sun to Part Shade
Soil
Moist
Water
Moderate
Hardiness
Zone Zones 5a–8b
Origin
China
Watch for this season
Bacterial BlightHigh
Spring Infection Period
Root weevilModerate
Adult Emergence & Foliar Feeding
Diseases: Regionally Documented (3)
Pests: Regionally Documented (1)
Cultivars (1)
'Bronxensis'
Common name: Bronxensis Greenstem Forsythia; Mature height: 1 ft
Hardy to USDA Zone 5
Data Maturity Structured Multiple sources. Expert review underway.