Agastache Aurantiaca Hybr Tango Seed If starting indoors, select the soil and container in which to start your seeds. For soil, use a seed starting mix for the best results. You may also use a soil-less potting mix, which is cheaper and widely available at most garden centers. For the container, use cell packs or a small pot three to four inches tall to start your seeds. Season of Interest Spring, Summer Please read the planting instructions! Some seeds require cold stratification. Some Perennials probably will not bloom until the 2nd year. If for some reason your order does not arrive, please do not open a case or leave negative feedback, just direct message me to resolve. We only ship in the U.S. If you need Anything, Please Contact us First