Sansevieria fat banana variegated one of most rare items as it's growth rate is extremely slow and traded around 1000 USD per piece of the variegation is balanced. Now growing in soliless media mostly consist of cinder, pumice and Coco husk. Osmocote is used as a fertilizer. Mostly it produce 1 leaf per year. Watering schedule mostly once per week and kept in indirect bright sunlight.
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From @nailaanees