Veratrum californicum aka California Veratrum

Veratrum californicum, also known as California corn lily, white or California false hellebore, is a highly poisonous plant native to western North America, including the Sierra Nevada and Rocky Mountains. It can be found at elevations ranging from sea level to as high as 11,000 feet. This plant grows 1 to 2 meters tall, with an erect, unbranched, heavily leafy stem resembling a cornstalk. It prefers moist soil and can be found in dense stands near streams or in wet meadows. The inch-wide flowers cluster along the often-branched top of the stem and have 6 white tepals, a green center, 6 stamens, and a 3-branched pistil. The heavily veined, bright green leaves can be more than a foot long. Veratrum californicum displays mast seeding, blooming and seeding heavily in synchrony in occasional years. The species usually blooms during midsummer from July to August. There are two varieties of this plant: Veratrum californicum var. californicum, which grows from Washington to Durango, and Veratrum californicum var. caudatum, which can be found in Idaho, Washington, Oregon, and Northern California. As a houseplant, California False Hellebore is super rare and needs regular watering to thrive. It enjoys abundant sunlight and should be less than 3 feet away from a window. This plant does best in well-draining soil and does not require added fertilizers if it is repotted each time it doubles in size.