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
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.