William Rickatson Dykes has written: 'A handbook of garden irises' -- subject(s): Irises (Plant), Irises (Plants) 'Irises' -- subject(s): Iris (Plant), Irish
Harry Randall has written: 'Irises' -- subject(s): Irises (Plant), Varieties 'Growing Chrysanthemums'
Walter Stager has written: 'Tall bearded iris (fleur-de-lis) a flower of songs' -- subject(s): Irises (Plant), Irises (Plants), Iris (Plant)
After irises have finished flowering, you should cut back the flower stalks to the base of the plant. Remove any dead or yellowing leaves and continue to water the plant regularly. Fertilize the irises with a balanced fertilizer to promote healthy growth. It is also important to divide overcrowded clumps of irises every few years to ensure optimal blooming.
Virginia Van Buren has written: 'The iris' -- subject(s): Accessible book, Irises (Plant), Irises (Plants)
Most irises have rhizomes but some have bulbs.
Dutch iris and all irises are perennials.
Yes, apart from garden varieties, there are wild irises.
Norman Leslie Cave has written: 'The iris' -- subject(s): Irises (Plant), Iris (Plant)
I would use "irises."
Do not allow irises to become too crowded in your garden because the irises will flower poorly or not at all.
It's best to plant irises in the spring, but they can be transplanted in the fall. The rhizome (brown part with roots on it) should not be completely covered or the irises will not bloom. They like plenty of sunshine and shouldn't be in a place that doesn't drain well or the rhizomes will rot.