Argyroxiphium sandwicense aka Silversword
Taxonomy
Common names
Silversword, Hawaiian Silversword, Hawai'i SilverswordHow to care for Silversword
Water
Silversword should be watered regularly, allowing the soil to dry out between waterings.
Toxicity
The toxicity level of this plant has not been officially confirmed by Ploi. If there is a possibility of ingestion of plant material with an uncertain toxicity by you, a family member, or a pet, it is advisable to seek the assistance of a medical professional.
More info:
Wikipedia