There are two dietes species that carry the common name butterfly iris. The rhizomatous plants in this genus, too, are known as fortnight lilies because their bloom crops come in two-week periods.
Even when not in bloom, their upright, sword-like foliage adds strong lines and texture to garden beds, making them reliable ...
Can you think of a plant that flowers in Britain all year round? One flower that is a member of this special club is the iris - these are 12 vibrant varieties to add to your garden.