Romulea bulbocodium Romulea bulbocodium, known commonly as crocus-leaved Romulea or violet romulea, is a member of the Iris family. This perennial plant is characterized by an asymmetrical underground bulb and a short wiry stem. The leaves are long and slender. The large, purple to violet flowers bloom between February and May and produce oblong capsules. Datasheet Common NameCrocus-leaved Romulea / Violet romulea Botanical nameRomulea bulbocodium FamilyIridaceae Life CyclePerennialFoliageEvergreenBasic ColourPurple-Violet Height10 -> 20 cm HabitatMeadows, dunes, stony areas Altitude400 - 1200 mBloom TimeFebruary -> May Plant TypeHerb, Bulbous, Ornamental Fruit TypeCapsuledifferent tolerancesTell usUsed PartsWhole plantPlant UsesOrnamentalActive substancesTell us USDA Zone6 (-23), 7 (-17), 8 (-12), 9 (-7)Sun ExposureSunSoil pHAcidic, Alkaline, NeutralSoil MoistureDry, MoistSoil Type Sandy, RockyPropagationby seeds / by sowing, by division, Self sowsGerminationTell us Pests/ DiseasesTell us Open Next Page To See More Photos. Romulea bulbocodium Romulea bulbocodium