Back to top 14. Hardy lilies are perennials and frost tolerant. These lilies are produced from rhizomes and grow horizontally. They are sweetly fragrant and bloom on or just above the water's surface. Each bloom lasts 3-5 days and opens in the morning and closes in the late afternoon.
Hardy lilies require very little care.
They should be fed every 2-4 weeks from May 1 to September 1. You will be able to enjoy these lilies year after year. Back to top 15. They evoke romance and glamour. They are very fragrant and are exquisite as cut flowers.