Crawfurdia speciosa ( Gentian )
A mounting perennial . leave are pointed and toothed . The blue , imperial or white flowers seem in belated summertime . Dies back in winter . Google Plant Images : click here ! Characteristics Requirements Plant Care Fertilizing Light Watering Planting A workweek to 10 day before planting , add up 2 to 4 inch of aged manure or compost and work into the planting site to meliorate fertility and increase water retentiveness and drain ....