Description
The Use of Silica Sand in Carnivorous Plant Soil Mixes
Silica sand plays an important role in certain carnivorous plant soil mixes, especially for species that prefer excellent drainage and a more mineral-rich substrate.
Carnivorous plants naturally grow in nutrient-poor, sandy or peaty environments, and silica sand helps replicate these conditions without introducing unwanted minerals or fertilisers.
🌱 Why silica sand is used:
Improves drainage: Prevents water from sitting around the roots, reducing the risk of rot
Increases aeration: Creates air pockets in the soil so roots can breathe
Adds structure: Helps keep the mix open and prevents compaction over time
Inert and safe: True silica sand contains no nutrients, salts, or additives that could harm carnivorous plants
🌱 Which plants benefit most
Silica sand is especially useful for:
Cephalotus follicularis
Some Pinguicula species
Certain Drosera (particularly South African and Australian species)
Sarracenia grown in wetter or high-rainfall conditions, where extra drainage is helpful
Each bag contains the approximate volume of a 1-litre jug.
