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Easter lily can survive as a perennial
A gardener’s mulch and sheltered planting helped the tender lilies survive winter and return to their natural mid-summer bloom cycle, an NDSU Extension expert said.
In Fargo, gardener Mary successfully overwintered potted Easter lilies outside Messiah church, resulting in blooms this July after planting them in spring last year.
Although Lilium longiflorum typically prefers warmer Zone 5, the plants can survive Upper Midwest Zones 3 and 4 with protective fall mulch and good snow cover.
Mary planted the discarded lilies in spring, watching them bloom by October before surviving winter under leaf mulch. This method extends potted plants' life beyond holiday disposal.
NDSU Extension-Cass County expert Don Kinzler confirmed this experience is typical, suggesting gardeners try the practice at least once during their gardening years.
Native to Japan, these fragrant lilies were rebranded as the Easter lily after a World War I soldier brought bulbs to the Western United States.