'Tenryu'
(Yoshie/Ruh 2002)
Color - Blue
Size - Large (28"ht x 60"w)
Habit - Upright
Bloom - Lavender

Parent - unknown
A distinctive cultivar from Japan with cupped and corrugated blue-green foliage on a vase-shaped clump. Similar to nigrescens. Lavender flowers in July on 6 foot tall scapes.