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Nepenthes sanguinea Leaf Reddening: Sun Adaptation, Not Burn

Dark pitcher N. sanguinea reddens in outdoor UV—normal for this form. Glass filters UV; plants need re-acclimation. Provide dappled light (eastern exposure under tree) to ease transition. Cloudy UK mornings help.

Watering and media sound fine.

Carnivorous Plants: Sago Palm Leaf Browning: Sun Acclimation, Watering, and Cold Hardiness; Container Fig Leaf Browning: Water Management and Fertilizer Issues; Why Your Venus Flytrap Is Browning After Terrarium Repotting; Nepenthes sanguinea Thrips Damage: Mottled New Leaves; Nepenthes rafflesiana Red Leaf Spots: Mold or Light Response?; Nepenthes mikei Browning: Light, Fertilizer, and Soil Fixes; Nepenthes × miranda Acclimation: Old Pitchers Die, New Ones Form; Identifying a Leafless Mystery Plant: Why Foliage Is Essential for Diagnosis; Lucky Bamboo Yellowing: Light, Water, and Root Health; Yucca Declining After Repotting: Undo the Damage

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