Nepenthes 'Caesar' Not Pitchering? Light and Warmth Are Key

A large N. caesar in a greenhouse (high humidity, warmth, partial sun/shade) isn't pitchering. Leaves curl inward. Also asks about Sarracenia repotting practices (reusing old mix?) and N. truncata availability.

Diagnosis: Low Light, Possibly Cool Nights

Jeff Dallas: 90% of non-pitchering Nepenthes need more sun. Caesar (hybrid of lowland N. merrilliana and lowland N. truncata) wants warm days (80s–90s°F) and nights above 65°F. Leaf curling suggests insufficient light.

Soil Reuse: Not Recommended

• Old mix harbors fungal spores and pathogens.
• One orchid grower sterilized with hydrogen peroxide, but cost equals new peat.
• Nursery composts old mix or uses it (with lime) for non-CP plants.

N. truncata Availability

Tiny plants in stock; likely a few months before sale.

Follow-Up: Photos Confirm Low Light

Grower sent photos of curling leaves. Jeff compared to a Caesar in near-full sun in Hawaii and one in a west window in Vancouver—both much redder. Confirmed: plant needs more sun.

Good Growing!
Jeff Dallas
Sarracenia Northwest
https://www.cobraplant.com