The rhizome of an iris is the thick, underground stem that grows slightly below the ... She also points out that a plant that doesn't get enough water cannot take up nutrients.

Q: We brought iris bulbs from our family home in Michigan to plant in our Georgia flower beds. They are presently in our garage. How, and when, should we plant them here? — Justin Kollmeyer, Fayette C ...

The Pacific Coast Iris plant is quite compact ... Even when not flowering, it sprouts a dense mound of green foliage (no bare stems), making it suitable for fronting borders.