The Iris plant is poisonous to cats, and should be avoided.
I can't tell you the answer because this horrible website wouldn't tell me.
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.
Vincent van Gogh painted 'Irises'
William Rickatson Dykes has written: 'A handbook of garden irises' -- subject(s): Irises (Plant), Irises (Plants) 'Irises' -- subject(s): Iris (Plant), Irish
You can find irises in temperate parts of the world. There are over 300 species.
Yes, usually called Vase with Irises.
Irises do not live naturally in the desert but can be grown there with sufficient irrigation.
The plural of iris is irises.
The cast of The Irises - 1991 includes: Michael Rudder as Auctioneer
Irises
Irises like much of flowering plants are beautiful because God intended it to be that way.