Caryopteris incana ‘Joan’ Perennials suitable for the rock garden normal as preferable exposure Sun color deep blue it belongs to the family of Verbenaceae the flowering period is July – September hight 60 cm – 80 cm density 3 potted seedlings per square meter, diameter pot 14cm It is sold at a price of 5.00 € – Anemone jap., Aster autun., Heliopsis, Penstemon, Physostegia code CA84111