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Nepenthes Sunburn Indoors? Identifying and Managing Leaf Reddening

A grower moved a large, shade-grown Nepenthes to a bright north-facing window (southern hemisphere). Some middle leaves turned red/brown; new growth looks normal.

Diagnosis

Sudden exposure to intense light can cause burn (dead patches) or simply reddening (anthocyanin production). Since new growth is normal, the plant is adapting. Trim any truly dead areas. Strong light encourages pitcher formation. Species like N. × Miranda naturally develop red leaves in good light.

Carnivorous Plants: Nepenthes Not Pitchering on Balcony: Light, Location, and Acclimation; Nepenthes × ‘Amazonica’ Stem Rot: Plant Lost, Lessons for Future; Brown Spots on Nepenthes 'Miranda' Leaves: Sunburn or Leaf Miners?; Nepenthes sanguinea Wilting Despite Watering: Chronic Dehydration Damage; Nepenthes lowii White Blotches: Aging Leaves or Heat Stress?; Nepenthes ventricosa Not Pitchering? Increase Light and Pot Size; Nepenthes mikei Browning: Light, Fertilizer, and Soil Fixes; Nepenthes in Rock Garden Yellowing: Root Contact with Standing Water Suspected; Choosing and Growing Nepenthes: Sanguinea, Miranda, and Alternatives; Reviving a Stalled Nepenthes alata Cutting: Stabilize Environment, Check Soil Aeration

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