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Vermiculite in Ultra-Highland Nepenthes Mix: Not Recommended

Vermiculite breaks down into slime over time. Peter D'Amato (Savage Garden) now advises against it. Ultra-highland Nepenthes (rajah, edwardsiana, etc.) grow in mossy conditions—use live sphagnum or peat/perlite.

Carnivorous Plants: Darlingtonia californica Soil Mix: Fast Drainage Is Key; Why You Shouldn't Combine Nepenthes, Drosera, and Pinguicula in One Container; Emergency Nepenthes Repotting: Fertilized Orchid Bark, Charcoal Substitute, and Perlite Washing; Darlingtonia Soil Mixes: Aeration Is Key; Rescued Nepenthes Soil Mixes: Flexibility Over Perfection; Best Soil Mix for Cephalotus follicularis; Why Vermiculite Is Used in Some Nepenthes Soil Mixes Despite Alkalinity Concerns; Evaluating and Adjusting Nepenthes Soil Mixes for Your Climate; Growing Nepenthes in Vanda Baskets: Orchid Mix Adaptations and Humidity Considerations; Vermiculite and Asbestos: Safe Alternatives for Carnivorous Plant Soil Mixes

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