Darlingtonia is a monotypic genus native to the west coast of Oregon and north-west coast of California. The genus Darlingtonia was named by John Torrey in 1853 to honor his friend, Dr. William Darlington. The leaves of Darlingtonia resemble a cobra ready to attack, which gave Darlingtonia the common name of cobra lily.

This plant is not a beginners' plant, since it likes sunny summers but cool waters/roots. You can overcome this issue by having a water chiller or by adding cold water to its tray.

 

Plants are shipped potted in a 2.5 x 3.5" pot.

Small plants are about 1-1.5" tall

Medium plants are about 2-3" tall

Large plants are about 3-5" tall 

 Keep in mind thay plants are a bit smeller during winter and that some pitchers go brown and die during this time, which is completely normal during dormancy. 

Darlingtonia
Plant size	Depending on size selection
Light	Full light/sun.
Potting medium	sphagnum moss with perlite (or use your mix of well drain substrates that give the roots adequate aeration).
Feeding	Fish food or bugs every 3-4 weeks. You can also use Maxsea if you have experience.
Water	Tray method, use only distilled water, R.O. water or rain water.
Humidity	45-75% with airflow
Temperature	Winter temperatures 32-50°F, summer temperatures 50-85°F. A nighttime temperature drop into the 50-60°F range is ideal during summer.
Mature plant size	Up to 3 feet tall
Dormancy	During winter. Many of the pitchers will turn brown and die back during this time