Irises put on a show in Southern gardens in a rainbow of colors. Learn when different types of irises—Dwarf, Dutch, and ...

After they’ve finished blooming, remove spent flower stalks ... Late summer is the perfect time to prune iris to promote ...

Or, use a balanced NPK fertilizer like 10-10-10 for a light application in early spring and then again about a month after the plant stops blooming. When fertilizing a bearded iris, apply the ...