Cirsium casabonae Cirsium casabonae is a biennial species belonging to the aster family. The simple stem is erect, glabrous and cylindrical. The green leaves are sessile, pubescent and lined with strong thorns. Pink to purple flowers are sessile and the bract ends with a long spine. The fruit is a subglobose achene. Datasheet Common NameChardon of Casabona Botanical nameCirsium casabonae FamilyAsteraceae Life CycleBiennialFoliageTell usBasic ColourpurpleHeight40 -> 70 cmHabitatRustic stone soil, arid zonesAltitude1200 mBloom TimeJune, July, August, Plant TypeHerbs, Ornamental, OutdoorFruit TypeAchenedifferent tolerancesTell us Used PartsTell us Plant UsesOrnamentalActive substancesTell us USDA ZoneTell us Sun Exposurefull sunSoil pHAcidic, Alkaline, NeutralSoil MoistureDrySoil Type Sandy, Silty, Clayey, PeatyPropagationby seeds / by sowing, by division, Self sowsGerminationTell us Pests/ DiseasesTell us Open Next Page To See More Photos. Cirsium casabonae Cirsium casabonae