iris, white-yellow

''Iris germanica'', the German Iris, is a species in the genus iris. The Iris Germanica grows up to 90 cm high and 10 cm wide. The roots can go up to 10 cm deep. It is an outdoors plant that blooms most in May-August, but planting it would be best in February-April.''. It is a European hybrid, rather than a true wild species. ''I. germanica'' is known to produce the isoflavone irilone.