Iris Germanica White Knight - Bearded Iris.Iris Germanica varieties are stunning perennials that are extremely hardy and low maintenance plants that can be grown in the garden or in containers. Six-pack.This plant is delivered to you as a pot plant. The diameter of the pot will vary between 9 and 17 cm in diameter, depending on the available product. The plant is delivered to you in special protective packaging. The actual height of the plant you will receive, varies during the season. We guarantee robust and healthy plants that will flower immediately.