Erythronium oregonum aka Giant Adder's Tongue

Taxonomy

Erythronium oregonum, also known as the giant white fawnlily or Oregon fawn-lily, is a North American species of flowering plant in the lily family. It is native to the Pacific Coast Ranges, spanning from southwestern British Columbia to northern California. This clump-forming, bulbous perennial reaches a height of about 35cm and features two semi-erect leaves that are brown mottled with rich green. Its springtime blooming brings forth up to three pendent, creamy-white flowers with yellow centers and reflexed petals, measuring up to 7.5cm across, which are supported by upright stems. As a houseplant, Oregon's Fawn-Lily is considered super rare and requires regular watering for optimal growth. It thrives best in abundant sunlight, ideally positioned within 3 feet of a window. Well-draining soil is essential for this plant's health, and fertilizers may not be necessary if repotted each time it doubles in size. Belonging to the Erythronium genus, Oregon's Fawn-Lily is a native species of Western North America.

Common names

Giant Adder's Tongue, Oregon's Fawn Lily, White Fawn Lily

How to care for Giant Adder's Tongue

Water

Giant Adder's Tongue should be watered regularly, allowing the soil to dry out between waterings.

Soil

Giant Adder's Tongue loves a well-draining soil. Perlite and vermiculite help with drainage, while coco coir adds organic matter, so a good potting soil mix will have all three. You can improve store-bought soil by adding some perlite to it.

Lighting

To ensure optimal growth, the Giant Adder's Tongue prefers bright indirect light for 6-8 hours each day. Insufficient light can result in slow growth and leaf drop, so it's important to find a well-lit location for this plant. Place it near a window, within a distance of 1 meter (3 feet), to enhance its potential for thriving.

Toxicity

Ploi's records do not contain confirmed information on the toxicity of this particular plant. In the event of accidental ingestion of plant material with questionable toxicity by you, a family member, or a pet, it is always a good idea to consult a healthcare professional.

Fertilizer

The growth of Giant Adder's Tongue is not rapid and it doesn't necessitate any extra fertilization. By replacing its potting soil once a year, it should receive ample nutrition. It is important to note that plants obtain their energy from the sun's rays, not from fertilizers.

Growth-pattern

New growth will sprout from the top of the plant as it grows upwards.

Region of origin

Giant Adder's Tongue’s native range is Western N. America - Oregon to British Columbia.


More info:
Wikipedia