Forsythia × intermedia

Common name(s): Border Forsythia
Blooming time: spring
Blooming colors: yellow
Height: 1 to 4 m
Origin: Forsythia × intermedia is a crossing between Forsythia suspensa (China) und Forsythia viridissima (China, Korea)
Hardiness zone (USDA): Z5 – up to -24 °C
Family: Oleaceae