Calathea Rancifolia originates from the jungles of the Amazon. The plant naturally grows under the shade of larger trees, obtaining diffused sunshine. Therefore, the Rattlesnake plant shall be placed to get indirect sunlight. The excellent location in our residences would undoubtedly be a few feet far from sunlight receiving home windows where the plant will certainly not receive straight light. Never place the plant in direct sunshine as it can damage the leaves.
Another factor is to pay attention to variations in the ambient temperature. The plant does not favour sudden changes in surrounding temperature; therefore, keep the plant away from locations where it can obtain a chilly draft from outside or direct warmth from the interior heater.