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Iris
Botanists distinguish more than 200 species of irises. Some of these have bulbs, while others have short rhizomes and are classified as perennial plants. Iris germanica and I. sibirica are the two most familiar species among the perennial plants. The bulb-forming species are very useful for garden planting, and the 'Dutch iris' is used for the year-round production of cut flowers.
More planting tips
The smaller species make wonderful plants for the rock garden, or they
can brighten up a barren border very early in the year. These species are
beautiful when combined with any other early-flowering bulbous plants, e.g.,
snowdrops, snowflakes, Winter aconite, Crocus ancyrensis ‘Golden Bunch’, etc.
They are also appropriate for accompanying early-flowering perennials such as
Draba sibirica, Pulmonaria (Lungwort), Viola ordorata (Sweet violet), Primula
Juliae Hybrids, and Hepatica.It sometimes happens that the miniature irises,
because of their extremely early flowering, suffer damage from periods of late
frost or ground frost. By growing them in pots, you have the possibility of
moving them temporarily to a more suitable location: a cool room that receives
light. High temperatures, however, are absolutely not tolerated.
