Tall yet compact narrow spikes of lilac blue flowers are rather special and give the garden another dimension. In border the large clumps can be quite majestic. Height 90cm (3') Jul-Sep.
Common NameCulvers Root
Height90-120 cm (36-48")
Soil pHAcid, Neutral, Alkaline
Cut FlowerCut flower
Plants for PollinatorsPlants for Pollinators