Day Lily Hemerocallis

Daylilies are clump-forming, erect, herbaceous perennials in the Hemerocallidaceae (daylily) family. Growing 1 to 1.5 feet in height and width, they are native to Asia and central Europe and are not, in fact, lilies. The genus name is derived from the Greek words hemera, meaning day, and kallos, meaning beauty, referring to the fact that each flower lasts only a day. 

Plant in full sun to partial shade in well-drained soil high in organic matter. When planting, cover tubers in 1 inch of soil. It is not usually necessary to lift and store them for the winter. Propagate plants by division in the fall or spring.

Old-fashioned orange and yellow daylilies have been hybridized to produce numerous, modern cultivars in a rainbow of colors, various sizes, and with flowering times from spring through summer to frost. These plants are highly salt tolerant and easy to grow. However, they are frequently damaged by deer.

Daylilies are excellent to plant along banks and slopes. They can also be utilized in rock gardens, as specimens, in borders or containers, or at tree bases. They are also useful in a butterfly or childrens’ garden, as they provide a nectar source for butterflies and hummingbirds.

Quick ID Hints:

• Tall erect herbs with grass-like leaves
• Leaves often folded somewhat
• Flowers large to gigantic, reds to yellows
• Flowers with narrow tube opening to large bell-shape

Insects, Diseases, and Other Plant Problems:  No serious pest-disease problems. These plants are toxic to cats, which may show signs of vomiting, inappetence, lethargy, kidney failure, and even death after eating.

The Clemson Cooperative Extension Home and Garden Information Center has a factsheet on common day lily diseases and other plant problems.

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