Sarracenia flava var. atropurpurea is a variety of the Yellow Trumpet Pitcher Plant that turns solid red inside and out from the base to the top of the lid under ideal conditions. This variety grows over 2 (nearly 3) feet tall and has typical yellow flowers and trumpet pitcher shape.
Small- Juvenile, may or may not have adult pitchers
Medium- Adult pitchers, may or may not be of flowering size
Large- Adult pitchers, of flowering size and may have 1 or more growth points.