'Saule'

Flowers:  corn-yellow, with a little orange spots

Leaves: deciduous

Height: 1.7 m (in 20 years)

Width: 1.7 m (in 20 years)

Hardiness: very good (-30°C)

Growing: In sun or partial shade, in acidic (pH 4.5-5.5), moderately moist, loose, rich in humus and permeable soil