Strap Water-fern (Blechnum Patersonii) is a perennial fern in the Blechnaceae 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.

A perennial fern with erect to spreading, densely tufting growth on a short semi-erect rhizome. It features dimorphic fronds, with sterile and fertile fronds differing in form.