Zones 4-7. Easy to grow from fresh seed. Will come back every year. Grows to 4 inches tall, spreads over 2 feet wide. Makes a beautiful ground cover, or can be used in rock gardens. Shade or partial shade. Prefers acidic soil. Seeds require a cold period to germinate. Can be sown into the ground in fall that way winter temperatures will take them out of dormant stage. Or, can be put in fridge for 2 months before sowing indoors in winter to be transplanted outdoors in spring. Germination can take up to 60 days however seeds usually sprout in 30-40 days.