Certified GKH Gardening Expert
They are hardy in your area, and should have been wintered outdoors. The cold temperatures will keep them dormant. For now, you may need to put them under horticultural lighting until they can go outside.
This article will help you to care for the plant: https://www.gardeningknowhow.com/ornamental/bulbs/lily/planting-asiatic-lilies.htm