Nepenthes rajah is comparable to that experienced in nature, since Borneo lies on the equator. Pure long-fibre "Sphagnum" moss is an excellent potting medium, though combinations involving any of the following – peat, perlite, vermiculite, sand, lava rock, pumice, "Osmunda" fibre, orchid bark and horticultural charcoal – may be used with equal success. The potting medium should be well-drained and not too compacted. Moss is useful for moisture retention near the roots. The mix should be thoroughly soaked in water prior to potting the plant. It has been noted that "N. rajah" produces a very extensive root system (for a "Nepenthes") and,
Sphagnum frog Sphagnum frog The sphagnum frog ("Philoria sphagnicolus") is a species of frog in the family Myobatrachidae. Its natural habitats are subtropical moist upland forests, subtropical moist montane forests, and Streams. They vary in color from shades of yellow and orange. They usually have irregular black spots that range all over their body. Their main source of diet comes from small insects and that are usually ants. This species has been classified as endangered in 2004. It is threatened by climate change pathogens and habitat loss. It is endemic to Australia. There have been other recommendations by scientist and other groups