Add Yahoo as a preferred source to see more of our stories on Google. Soil type affects how it retains water and nutrients.Photograph: iStock/Getty Images (Photograph: iStock/Getty Images) I often ...

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High-quality soil should have good drainage and tilth, a dark color, a pleasant smell, and signs of life. Avoid soil that is compacted, visibly sandy, and shows no signs of active soil organisms.

Learn which type of soil is best for different kinds of houseplants, including tropicals, ferns, aroids, cacti, succulents, ...

John Quinton receives research funding from the Natural Environment Research Council, The Engineering and Physical Sciences Research Council and the European Commission A recent study has found that ...