'Rīga'
Flowering time:
end of May-beginning of June
Flowers: lightly rose, with yellow spots, flowers have a pleasant smell
Leaves: deciduous, leaves turn red in autumn
Height: 3.5 m (in 30 years)
Width: 2.8 m (in 30 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