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Highland Nepenthes Day Temperature Tolerance: 65-70°F Extended Periods

A grower with N. rajah and N. sibuyanensis in a greenhouse tent asks if prolonged 65-70°F days are acceptable (nights 45-55°F).

Answer: Yes, Perfectly Fine

Cool days + cool nights = ideal highland conditions
Slower growth is normal for ultra-highlanders
Even in near-perfect Hawaiian highlands, they grow slowly

Species-Specific Notes

N. rajah: Recent leaves largest ever — responding well
N. sibuyanensis: Naturally slower; may prefer slightly warmer springs
Thrips treatment (Orthene) successful

Carnivorous Plants: Nepenthes rajah × mira: Color Changes and Care Adjustments; The Challenge of Growing Nepenthes Rajah x Mira: Slow Growth, Cool Nights, and Unpredictable Pitcher Traits; Nepenthes rajah: Why It's Not for Beginners (or the Impatient); Nepenthes rajah Terrarium: Light, Temperature, and Cooling Strategies; Troubleshooting Nepenthes rajah Leaf Reversion and Discoloration; Root Loss During Nepenthes rajah Repotting: Recovery Outlook; Nepenthes rajah: Separating Fact from Myth About the Giant Pitcher Plant; Growing Nepenthes rajah: Temperature Challenges and Vacation Watering; Nepenthes Placement: Avoid Daily Indoor/Outdoor Shuffling; Growing Nepenthes rajah: The Key is Patience

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Ultra-Highland Nepenthes: Temperature Demands and Coir for Seed Germination

Nepenthes Pitchers Form Away from the Light Source

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Can Nepenthes Vines Root If Buried? Slow but Possible

Growing Highland Nepenthes at High Elevation: N. rajah, villosa, lowii

Growing Lowland Nepenthes Hybrids Outside a Terrarium

Repotting Nepenthes: When It's Needed and Why Annual Repotting Isn't Mandatory

Charcoal in Nepenthes Mix—Unnecessary and Potentially Harmful

Identifying Nepenthes × ventrata (deRoose's Alata) and Pitcher Maintenance

Choosing and Growing Nepenthes: Sanguinea, Miranda, and Alternatives

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