Forsythia viridissima var. koreana 'Kumson'
Kumson Korean Greenstem Forsythia
Native to (or naturalized in) Oregon:
- Broadleaf deciduous shrub, to about 6 ft high and 5 ft wide (1.8 × 1.5 m), arching, purple branches apparent in winter. Leaves opposite, simple, lanceolate, deep green with clear white-silver venation which may be lost with shade and age. Flowers perfect, yellow with some green, appear before leaves.
- Hardy to USDA Zone 4