Problem Plant: Common Daylily
Common Daylily (Hemerocallis fulva)
Although assumed by many to be native to the U. S., the orange daylily was introduced from Asia as an ornamental in the late 1800s. Unfortunately, this popular plant can escape from cultivation and is now reported as invasive in several mid-Atlantic states, including Virginia. The National Park service suggests that its numerous cultivars also have the potential to become invasive.
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Tags: Spreads quickly from garden plantings by seeds and roots, Difficult to control due to thick tuberous roots, Infestations often occur near old homesites, Invades meadows, roadsides, stream banks, and forest edges, Multiplies to form dense patches that displace native plants, Canada Lily (Lilium canadense), Ox-Eye Sunflower (Heliopsis helianthoides), Turk’s Cap Lily (Lilium superbum), Wood Lily (Lilium philadelphicum), Three-Lobed Coneflower (Rudbeckia triloba), Perennial with colorful summer bloom