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 Botanic Garden >> Gardening >  >> Question and Answer >> Plant Species >> Carnivorous Plants

Orchid Bark Grade for Darlingtonia: Fine or Medium in 1:1:1 Mix

Repotting Darlingtonia in 1:1:1 peat:perlite:orchid bark (UK, cool climate). Bark grade?

Recommendation

  • Fine bark for thin roots (personal preference).
  • Medium bark also works in 1:1:1—creates airier, faster-draining mix.

Why 1:1:1 Helps Darlingtonia

2/3 non-water-holding material (perlite + bark) → rapid drainage → root aeration. Mimics moving water in nature. Trade-off: water more frequently.

Expert Reference

Sarracenia Northwest (Jeff Dallas & Jacob Farin) specialize in American pitcher plants—consult them for climate-specific advice.

Carnivorous Plants
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Darlingtonia Soil Mix Alternatives: Peat/Perlite Ratio and Transplant Steps
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Germinating Darlingtonia (Cobra Lily) Seeds: Wet Stratification Method
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