This species from southeast Europe is more cold hardy and more cold hardy for the flower buds. I have never seen one. It has been crossed...Read More with northeast Asian species as the Manchurian or the Early Forsythia from Korea to produce more cold hardy hybrids from which cultivars have been selected as 'Northern Gold' and 'Northern Sun'. The Albanian Forsythia is supposed to be the least best species in bloom, with pale yellow flowers hang from the stems. Poor fall color and a lanky habit.
This species from southeast Europe is more cold hardy and more cold hardy for the flower buds. I have never seen one. It has been crossed...Read More