Daylillies and Iris Perennials Best Divided in August

Daylillies and Iris Perennials Best Divided in August

Flower Gardening
Two Easy-Care Perennials That Need Periodic Dividing in August This year's hot and often humid summer weather doesn't seem like the best time to garden... unless gardeners love irises or daylilies. In early to mid-August, both long-time perennial favorites are in a kind of dormant period. So, that's when gardeners are most likely to succeed in dividing the plants' clumps. The clumps tend to become overcrowded and less productive every three to five years, said Dennis Patton, horticulturist with Kansas State University Research and Extension. "For the most part, we're talking about extremely easy-care plants. To keep them healthy and promote optimum flowering, however, you simply have to divide them periodically," Patton said. During dry weather, the horticulturist recommends watering overcrowded clumps a day or two before digging, just to…
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