The plant on the left was not soil fertilized. The plant on the right was.

Sarracenia Soil Fertilization
You will be living dangerously if you fertilize the soil of your Venus flytraps or sundews but for Sarracenia it is actually a good idea for juvenile plants....

Hanrahan, Bob (1986) Simplistic CP Fertilization Facts. Carniv. Pl. Newslett. 15(2):53 ( )

D'Amato, Peter (1997) The Savage Garden. Carniv. Pl. Newslett. 26(2):64-66 ( )

D'Amato, Peter (1998) The Savage Garden: 'Feeding your plants'. Carniv. Pl. Newslett. 27(1):4-5 ( )

Brittnacher, John (2009) Soil fertilization of Sarracenia seedlings. Carniv. Pl. Newslett. 38(2):36-41