Perennial flower. Full sun or partial shade. Best sown in autumn directly onto the soil and covered with a thin layer of soil or compost. Needs to be planted just before the frost or needs a long period of cold for stratification, so its seed dormancy can be overcome. Plant have spreading underground rhizomes. Grows to a height of 12-18 inches, spread up to 18 inches. Blooms early to mid summer Also selling 5 plants for $10 in June and the months thereafter in the summer. North pick up