'Austra'

Flowers: bright yellow

Leaves: deciduous, leaves turn red-brown in autumn

Height: 3 m (in 20 years)

Width: 2 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