Iris are among the most popular perennial ornamentals in Iowa, and thousands of varieties are available. Properly planted and cared for, iris provide beauty for many years. Here are some tips on planting and care.
Vance, Ben F.; Gunderson, Harold; and Worf, Gayle L.
"How to Grow Iris in Iowa,"
Iowa Farm Science: Vol. 16
, Article 6.
Available at: https://lib.dr.iastate.edu/farmscience/vol16/iss11/6