Liliaceae (Lily Family) Synonym(s): Common Daylily, Ditch Lily, Tawny Daylily, Tiger Daylily Base Flower Color: OrangeReproductive Phenology: May, Jun, JulEcological Threat: Daylilies established in natural areas pose a threat to native plants in field, meadows, floodplains, moist woods and forest edges. Once established, daylilies multiply and spreads to form dense patches that displace native plants.