King Fern (Ptisana Salicina) is a perennial fern in the Marattiaceae family with moderate care difficulty. It requires moderate watering and partial shade or dappled_shade or filtered_light light in USDA hardiness zones 9-11. This plant is safe for cats and dogs. It can be grown indoors.

Ptisana salicina is a large, robust evergreen fern native to Norfolk Island, New Zealand, and the South Pacific, known for its tall fronds and stout, starchy rootstock.