Sarracenia 'Adrian Slack' is a hybrid that Bob Hanrahan found in the 1980s growing in the Milton area of western Florida. The exact parentage is unknown, but it clearly includes a mix of S. flava and S. leucophylla. Bob and Barry Rice submitted the cultivar name for registration on 28 March 2000. The official cultivar description is found at
I received a plant from Barry Rice on 24 April 06. The two pitcher photos below are of Peter D'Amato's plant growing at California Carnivores on 16 June 05.
The photos below of my plant flowering were taken on 21 April 08.