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Message: [QUOTE="davidinsydney, post: 220690, member: 15472"] I only started gardening this year. I have been doing some extensive peer reviewed research on what soil health means and why it is so important. Admittedly, it took me a while to comprehend the basic principles of it. I have a question relating to indoor plants. How important is soil health when it comes to indoor plants. For example I have an indoor potted orchid and A rubber fig plant. The orchid is Potted in a mixed growing medium including bark, Peat Moss, sphagnum moss and perlite. The rubber plant is grown in mostly Peat Moss and perlite I believe. Most indoor plant guides says to apply a “balanced” synthetic fertiliser every now and then. I understand If we were to garden outdoors, we should be feeding the soil with organics and compost which in turn will feed the plant with the nutrients it needs. Can the same concept apply to indoor pot plants? For plants like the orchid which are quite picky in terms of growing medium will adding organic fertiliser or compost be a detriment to its growth? should the concept of soil health to indoor pot plants too? [/QUOTE]