15 Rare Queen of The Prairie Seeds to Grow Filipendula rubra Made in USA AMAZING RARE PLANT: Rare Queen of the Prairie Wildflower Seeds. Seeds are very small and need to be stratified.POLLINATOR FRIENDLY: Bees will buzzing and butterflies floating. Great addition to any gardenGOOD FOR THE ENVIRONMENT: Propagate and maintain these beautiful and endangered butterflies with this diverse mix of pollinators. Excellent for the environmentGROWING TIPS: Plant in the winter while there is still a possible frost. For later plantings we recommend cold stratificationCZ GRAIN GUARANTEE: We take great pride in providing customers with all natural products that add value to your life. If for any reason you are not satisfied, please contact us for a fast and easy solution.