'Nova Zembla'
Flowering time:
end of May-beginning of June
Flowers: ruby-red, with very dark, red-brown spots
Leaves: evergreen
Height: 2.5 m
Width:
Hardiness: very good (-30°C)
Growing: In shade, in acidic (pH 4.5-5.5), moderately moist, loose, rich in humus and permeable soil