You Will Get 5 Seeds Agapanthus Storm Cloud Lily Of The Nile. It is a beautiful perennial that gets clusters of blue flowers on top of 2 to 3 foot stems and great green foliage.. They are hardy outdoors to USDA zone 6b and possibly colder, and they grow best in full sun to part shade.. They would make excellent additions to your rare plant collection, or just make a unique statement in your yard.