Costus arabicus 'Variegata', green Costus 'Variegata' - BioA beautifully voluminous plant! The Costus 'Variegata' has light coloured leaves that have an air purifying effect. The Costus is an easy plant to look after and actually belongs to the ginger family. Its green & white leaves mean the Costus will stand out in any interior! The Costus prefers full or partial shade, needs water twice a week and plant food twice a month. An attractive, lush indoor plant with beautifully coloured leaves.