Knautia ‘Thunder and Lightning’ Perennials suitable for the rock garden rich, well-drained limestone as preferable exposure Sun color violet-magenta it belongs to the family of Caprifoliaceae the flowering period is July – October hight 50 cm – 60 cm density 5 potted seedlings per square meter, diameter pot 12cm It is sold at a price of 6.00 € – Achillea, Anaphalis, Geum, Nepeta, Salvia code KN05500