Eric Preston Stout, master gardener and landscaper who teaches courses on gardening at TeachMe.To. Related: When to Cut Back Irises for Beautiful Blooms Next Spring Gardeners usually divide irises ...

Irises can look wonderful in early summer, with masses of colourful blooms held on stout flower stalks. However, after several years the clumps will run out of steam and die off in the middle ...

There are only 28 native iris species in the U.S. (although that number may vary slightly depending on who you talk to), but ...